Random Prob & Stats Questions

Question 1

What variable is commonly used for sample size?

Accepted Answer

n

Question 2

What do we use to calculate the confidence interval for a variance?

Accepted Answer

χ2right & χ2left

Question 3

What is 8 < μ < 9 ?

Accepted Answer

a confidence interval

Question 4

If 2 events CANNOT occur at the same time, they are...

Accepted Answer

mutually exclusive

Question 5

For 8 < μ < 9, what is the maximum error of the estimate (margin of error)?

Accepted Answer

0.5

Question 6

What is a chance process that leads to well-defined results?

Accepted Answer

a probability experiment

Question 7

What is the probability of a certain event?

Accepted Answer

1

Question 8

What do we use to calculate the confidence interval for a proportion?

Accepted Answer

p hat & q hat

Question 9

What variable is commonly used for population mean?

Accepted Answer

μ

Question 10

What can be used to determine all possible outcomes of a probability experiment?

Accepted Answer

a tree diagram

Questions 10