What is the number of 13-inch rolls produced?
A) 1,264 units
B) 1,718 units
C) 1,432 units
D) 1,000 units
Q. 2It is assumed that the time customers spend in a record store is uniformly distributed between 3 and 12 minutes. Based on this information, what is the probability that a customer will be exactly 7.50 minutes in the record store?
A) 0.1250
B) 0.05
C) Essentially zero
D) 0.111
Q. 3What is the difference between a mutually exclusive event and an independent event?
What will be an ideal response?
Q. 4What is the return to risk ratio of the Q index fund?
A) 0.33
B) 0.09
C) 0.41
D) 0.42
Q. 5If the sample data lead us to suspect that the variances of the two populations are not equal, the t-test statistic and the degrees of freedom must be adjusted accordingly.
Indicate whether the statement is true or false
Q. 6If a decision maker desires a small margin of error and a high level of confidence, it is certain that the required sample size will be quite large.
Indicate whether the statement is true or false
Q. 7Discuss the differences and similarities between statistical estimation and statistical hypothesis testing.
What will be an ideal response?
Q. 8Compare and contrast experiment, outcome, sample space, and event in terms of probability distributions.
What will be an ideal response?
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