Skip to main content
9. Hypothesis Testing for One Sample - Part 1 of 2!
9. Hypothesis Testing for One Sample / Performing Hypothesis Tests: Proportions / Problem 9
Problem 9

A researcher claims that at least 55%55\% of adults prefer online shopping. In a sample of 120120 adults, 6060 say they prefer online shopping. Can a normal sampling distribution be used? If so, test the claim at α=0.05α = 0.05.