Statistics and Probability

A quality-control inspector selects assembled parts from an assembly line and records the ...

A quality-control inspector selects assembled parts from an assembly line and records the ...

A quality-control inspector selects assembled parts from an assembly line and records the information concerning each part as: A: defective or nondefective, B: the employee number of the individual who assembled the part, and C: the weight of the par

12341243124   52   1 Reply

pradip

Suppose that wine bottles coming from Sonoma County Wineries have wine content (in ml) that is ...

Suppose that wine bottles coming from Sonoma County Wineries have wine content (in ml) that is ...

Suppose that wine bottles coming from Sonoma County Wineries have wine content (in ml) that is uniformly distributed between 115 ml and 125 ml. Consider taking a random sample of 100 such bottles and recording the wine content for these 100 bottles.

12341243124   70   1 Reply

mrman1223

Two variables have a correlation coefficient equal to +0.55 from a sample size of 8. Which one of ...

Two variables have a correlation coefficient equal to +0.55 from a sample size of 8. Which one of ...

[html]Two variables have a correlation coefficient equal to +0.55 from a sample size of 8. Which one of the following statements describes the results of the hypothesis test that the population correlation coefficient is greater than zero using α

123456789ABCD   58   1 Reply

DocD216

Use the following information to answer the question(s) below. A home appraisal company would like ...

Use the following information to answer the question(s) below. A home appraisal company would like ...

[html]Use the following information to answer the question(s) below.A home appraisal company would like to develop a regression model that would predict the selling price of a house based on the age of the house in years (Age), the l

123456789ABCD   71   1 Reply

faulkeeryb

Proportion data follow the ________ distribution, which can be approximated by the ________ ...

Proportion data follow the ________ distribution, which can be approximated by the ________ ...

[html]Proportion data follow the ________ distribution, which can be approximated by the ________ distribution under the following conditions:  nπ ≥ 5 and n(1 - π) ≥ 5.

▸ exponential, binomial

▸ binomial, normal

▸ Poisson, nor

123isme   50   1 Reply

emilyas19

Exhibit 11-5The table below gives beverage preferences for random samples of teens and ...

Exhibit 11-5The table below gives beverage preferences for random samples of teens and ...

[html]Exhibit 11-5
The table below gives beverage preferences for random samples of teens and adults.

 

123lol456   58   1 Reply

cheezeh3ad

Maintenance is done to increase the printing speed of an office printer. The amount of time (in ...

Maintenance is done to increase the printing speed of an office printer. The amount of time (in ...

[html]

123lol456   42   1 Reply

david200095367

A recent Time magazine reported the following information about a sample of workers in Germany and ...

A recent Time magazine reported the following information about a sample of workers in Germany and ...

[html]A recent Time magazine reported the following information about a sample of workers in Germany and the United States.

 

123lol456   34   1 Reply

elixy19

In 2004, the San Francisco police began using DNA evidence in unsolved homicides. The crime lab ...

In 2004, the San Francisco police began using DNA evidence in unsolved homicides. The crime lab ...

[html]

18iq   34   1 Reply

eminemluvr87

Relative frequency isbestsuited to describing __________________ data.

Relative frequency isbestsuited to describing __________________ data.

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18iq   34   1 Reply

webmom2008

A study is designed to evaluate the relationship between a persons height and his or her salary. A ...

A study is designed to evaluate the relationship between a persons height and his or her salary. A ...

[html]

18iq   39   1 Reply

LaceyCGibson

Suppose Citibank would like to investigate if credit score and age of an individual are independent ...

Suppose Citibank would like to investigate if credit score and age of an individual are independent ...

[html]Suppose Citibank would like to investigate if credit score and age of an individual are independent of one another. Citibank selected a random sample of 400 adults and asked them to report their credit score range and their age range. The follo

19sspeck   43   1 Reply

shelbycox

The variable d- measures (Multiple Choice)

The variable d- measures (Multiple Choice)

The variable d- measures
 a. the amount over the target and is similar to a slack.
  b. the amount under the target and is similar to a slack.
  c. the amount over the target and is similar to a surplus.
  d. the amount under the

216339   48   2 Replies

216339

Using the given data, calculate the value of mean absolute deviation.

Using the given data, calculate the value of mean absolute deviation.

Using the given data, calculate the value of mean absolute deviation.
 
  A) 2,444,136.45
  B) 1,563.37
  C) 1,341.46
  D) 14.78

Q. 2

Determine the constraint modeled for 25-inch

216339   44   2 Replies

216339

X2368P(X=x)0.100.400.400.10x= ?

X2368P(X=x)0.100.400.400.10x= ?

[html]​

32264   38   1 Reply

solid1

When testing whether two population variances are equal, if the sample sizes aren1= 8 andn2= 10, the ...

When testing whether two population variances are equal, if the sample sizes aren1= 8 andn2= 10, the ...

[html]

32264   48   1 Reply

mhmoud123

The following table shows the range of math SAT scores for the incoming freshman class of business ...

The following table shows the range of math SAT scores for the incoming freshman class of business ...

[html]The following table shows the range of math SAT scores for the incoming freshman class of business students at Smith University.

9bleacher   54   1 Reply

Jessicawest9568

Consider the partially completed randomized block ANOVA summary table. The number of main factor ...

Consider the partially completed randomized block ANOVA summary table. The number of main factor ...

[html]Consider the partially completed randomized block ANOVA summary table.

a.nicole   72   1 Reply

derya1234

Briefly describe three types of nonsampling errors.

Briefly describe three types of nonsampling errors.

Briefly describe three types of nonsampling errors.

Q. 2

The Chairman of a College of Business with five departments wants to estimate the average number of student-hours lost per month due to illness of

aaafgdfgf   52   2 Replies

aaafgdfgf

Markov processes use historical probabilities. Indicate whether the statement is true or ...

Markov processes use historical probabilities. Indicate whether the statement is true or ...

Markov processes use historical probabilities.
  Indicate whether the statement is true or false

Q. 2

 is a population parameter and is a sample statistic.
  Indicate whether the statement is

aaafgdfgf   37   3 Replies

iambwill

Once the control limits are set for a control chart, one attempts to :

Once the control limits are set for a control chart, one attempts to :

Once the control limits are set for a control chart, one attempts to
 
  A) determine whether any points fall outside the control limits.
  B) discern patterns that might exist in values over time.
  C) Both of the above.
 

aaafgdfgf   45   2 Replies

aaafgdfgf

Simple random sampling involves selecting members of the population in such as way that all members ...

Simple random sampling involves selecting members of the population in such as way that all members ...

Simple random sampling involves selecting members of the population in such as way that all members are equally likely to be chosen.
 
  Indicate whether the statement is true or false

Q. 2

For

aaafgdfgf   43   1 Reply

kingchan

Approximately what proportion of the observations is between 476 and 524? What will be an ideal ...

Approximately what proportion of the observations is between 476 and 524? What will be an ideal ...

Approximately what proportion of the observations is between 476 and 524?
 
  What will be an ideal response?

Q. 2

At the 0.05 level of significance, what conclusion can be drawn, from the hypo

aaafgdfgf   38   2 Replies

aaafgdfgf

If x is a binomial random variable, calculate 2 for n = 40 and p = 0.3 .

If x is a binomial random variable, calculate 2 for n = 40 and p = 0.3 .

If x is a binomial random variable, calculate 2 for n = 40 and p = 0.3 .
 
  A) 3.6 B) 12 C) 8.4 D) 2.898

Q. 2

A local newspaper claims that 70 of the items advertised in its classifieds sectio

aaafgdfgf   34   1 Reply

island idcjusne

Edison Automotive Machining Company needs to borrow money to repair a broken milling machine. The ...

Edison Automotive Machining Company needs to borrow money to repair a broken milling machine. The ...

Edison Automotive Machining Company needs to borrow money to repair a broken milling machine. The company can borrow 80,00 . for 300 days at 7 exact simple interest. Compute the total amount that Edison will need to repay. (Use a 365-day year.)
[b

aagabhinav   73   2 Replies

aagabhinav

The life of a car is 5 years. The original cost of the car was 25,000 and the salvage value was ...

The life of a car is 5 years. The original cost of the car was 25,000 and the salvage value was ...

The life of a car is 5 years. The original cost of the car was 25,000 and the salvage value was 5,000. What is the second-year depreciation?

Q. 2

The original cost of a sailboat was 25,000 with an estimat

aagabhinav   53   3 Replies

vbsb723

Last year, Mrs. Chambers paid 135 for a cord of wood to burn in her fireplace. This year, the price ...

Last year, Mrs. Chambers paid 135 for a cord of wood to burn in her fireplace. This year, the price ...

Last year, Mrs. Chambers paid 135 for a cord of wood to burn in her fireplace. This year, the price decreased by 8.5. What is the new price rounded to the nearest cent?
 A) 114.75
  B) 123.52
  C) 127.52
  D) 146.48

[

aagabhinav   71   3 Replies

grokie

Which statistical technique is appropriate when we describe a single population of qualitative data ...

Which statistical technique is appropriate when we describe a single population of qualitative data ...

Which statistical technique is appropriate when we describe a single population of qualitative data with exactly two categories?
 a. The z-test of a population proportion.
  b. The chi-squared goodness-of-fit test.
  c. The chi-square

aagabhinav   39   3 Replies

imascholar

Aggressive decision makers are called speculators because they increase their exposure to risk in ...

Aggressive decision makers are called speculators because they increase their exposure to risk in ...

Aggressive decision makers are called speculators because they increase their exposure to risk in hopes of increasing their return.
 
  Indicate whether the statement is true or false

Q. 2

The

aagabhinav   70   3 Replies

ashleyclaire

Determine the least squares regression line.

Determine the least squares regression line.

Determine the least squares regression line.
 
  A) = 0.46 - 3.57x
  B) = 0.46 + 3.57x
  C) = 3.57 + 0.46x
  D) = 3.57 - 0.46x

Q. 2

In the normal distribution, the total area ben

aagabhinav   50   1 Reply

npgonel

A withholding allowance for the employee and each dependent is exempt from gross earnings and not ...

A withholding allowance for the employee and each dependent is exempt from gross earnings and not ...

A withholding allowance for the employee and each dependent is exempt from gross earnings and not subject to federal income tax. The monthly deduction for this allowance is 283.33 . Jake Rogers claims himself and three dependents. Compute the total a

Aakashtamang619   1442   8 Replies

lolme4

Indicate whether each of the following should be (A) added to the bank statement balance, (B) ...

Indicate whether each of the following should be (A) added to the bank statement balance, (B) ...

Indicate whether each of the following should be (A) added to the bank statement balance, (B) subtracted from the bank statement balance, (C) added to the checkbook balance, or (D) subtracted from the checkbook when computing the reconciled balance.

Aakashtamang619   51   1 Reply

Kbanger04

____________is a method of extracting data relevant to the business problem under consideration. It ...

____________is a method of extracting data relevant to the business problem under consideration. It ...

____________is a method of extracting data relevant to the business problem under consideration. It is the first step in the Data Mining process.
 a. Data sampling
  b. Data partitioning
  c. Model construction
  d. Model assessm

Aakashtamang619   234   2 Replies

Aakashtamang619

The answer or result of multiplication is called the ____________________. (Fill in the blank)

The answer or result of multiplication is called the ____________________. (Fill in the blank)

The answer or result of multiplication is called the ____________________.
 Fill in the blank(s) with correct word

Q. 2

In multiplication, the number being multiplied is called the __________________

Aakashtamang619   39   2 Replies

Aakashtamang619

Which of the following statements about multiple comparison methods is false?

Which of the following statements about multiple comparison methods is false?

Which of the following statements about multiple comparison methods is false?
 a. They are to be use once the F-test in ANOVA has been rejected.
  b. They are used to determine which particular population means differ.
  c. There are

Aakashtamang619   187   1 Reply

Leslverocanosa

In a two-tail test for the population mean, the null hypothesis will be rejected at level of ...

In a two-tail test for the population mean, the null hypothesis will be rejected at level of ...

In a two-tail test for the population mean, the null hypothesis will be rejected at  level of significance if the value of the standardized test statistic z is such that:
 a. z > z
  b. z < -z
  c. -z < z < z
  d.  z  > z / 2

Aakashtamang619   58   2 Replies

Aakashtamang619

If the coefficient of correlation is -0.80, then the percentage of the variation in y that is ...

If the coefficient of correlation is -0.80, then the percentage of the variation in y that is ...

If the coefficient of correlation is -0.80, then the percentage of the variation in y that is explained by the variation in x is:
 a. 80
  b. 64
  c. 89
  d. None of these choices.

Q. 2
[

Aakashtamang619   102   1 Reply

kellylynne0704

Prior probability is also called likelihood probability. Indicate whether the statement is true or ...

Prior probability is also called likelihood probability. Indicate whether the statement is true or ...

Prior probability is also called likelihood probability.
  Indicate whether the statement is true or false

Q. 2

Posterior probability of an event is the revised probability of the event after new in

Aakashtamang619   63   1 Reply

yawnewa

The amount of time between successive TV watching by first graders follows an exponential ...

The amount of time between successive TV watching by first graders follows an exponential ...

The amount of time between successive TV watching by first graders follows an exponential distribution with a mean of 10 hours. The probability that a given first grader spends more than 5 hours between successive TV watching is ________.
 

Aakashtamang619   48   2 Replies

Aakashtamang619

The owner of a fish market determined that the average weight for a catfish is 3.4 pounds with a ...

The owner of a fish market determined that the average weight for a catfish is 3.4 pounds with a ...

The owner of a fish market determined that the average weight for a catfish is 3.4 pounds with a standard deviation of 0.8 of a pound. A citation catfish should be one of the top 2 in weight.
 
  Assuming the weights of catfish are normall

Aakashtamang619   58   3 Replies

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