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Science-Related Homework Help Statistics and Probability Topic started by: vaughnsl on Mar 10, 2018



Title: What is the area under the normal curve between Z = 1.0 and Z = 2.0?
Post by: vaughnsl on Mar 10, 2018
What is the area under the normal curve between Z = 1.0 and Z = 2.0?
 
  A) 0.0228
  B) 0.1359
  C) 0.3413
  D) 0.4772

Q. 2

What is P(A1B1 ), rounded to two decimals?
 
  A) 0.33
  B) 0.35
  C) 0.65
  D) 0.67

Q. 3

Suppose that the average score on an exam is 73 with a standard deviation of 2. According to Chebyshev's theorem, at least 60 of the scores are in the interval between 70 and 76.
 
  Indicate whether the statement is true or false

Q. 4

Calculate the standard error of the 95 confidence interval.
 
  A) 0.40
  B) 3.46
  C) 13.69
  D) 2.50

Q. 5

Descriptive statistics are used to transform information into data.
 
  Indicate whether the statement is true or false

Q. 6

The probability is 0.3 that the sales office receives less than how many orders?
 
  A) 310.9
  B) 285.1
  C) 290.0
  D) 306.0


Title: What is the area under the normal curve between Z = 1.0 and Z = 2.0?
Post by: vangsue16 on Mar 10, 2018
Ans. #1

B

Ans. #2

D

Ans. #3

FALSE

Ans. #4

B

Ans. #5

FALSE

Ans. #6

C