You are curious about the height of students at UW. Suppose the population is normal and it's standard deviation is 5 inches.

If we want my the margin of error to be smaller than .2 in a 95% CI for the mean, how large a sample do I need to collect?

Hint: Use the sample size formula under the scenario where sigma is known and n>=30.

Question 7 options:

49

50

2401

25