1.) We are finding a 95% confidence interval for mu and we have a sample size of 10 and the standard deviation is unknown. What critical value do we use in the margin of error? (That's the value in front of the sigma/square root of n.)

Group of answer choices

A.) 1.96

B.) 2.2281

C.) 2.2622

D.) Not enough information to tell.

2.) Suppose you repeated your hypothesis test over and over again with many different data sets. Which of the following statements is true?

Group of answer choices

A.) The significance level would stay the same and so would the p-values.

B.) The significance levels would change and so would the p-values.

C.) The significance levels would change but the p-values would stay the same.

D.) The significance level would stay the same but the p-values would change.

3.) Suppose you are doing a hypothesis test and your p-value is .20. What do you conclude?

Group of answer choices

A.) Two of the choices here are correct

B.) reject Ho

C.) accept Ho

D.) fail to reject Ho