1- What is the minimum sample size needed to build a confidence interval with the following conditions:

Confidence interval of 80%

Population standard deviation of 54.34

Margin of error no more than 11.236

Group of answer choices

39

38.32

38

7

2- The letters in the wordstatisticshas how many different arrangements possible?

Group of answer choices

50400

16800

3628800

10

3- What is the minimum sample size needed to build a confidence interval with the following conditions:

Confidence level: 90%

Sample proportion of .4354

Margin of error no more than .01303

Group of answer choices

3918.07

53

3918

3919