1. The following output is for a study conducted by Penn State to estimate the proportion of undergraduate students who do not smoke cigarettes. Explain each result in this output and interpret the confidence interval.

Variable X N Sample p 95% CI

NoSmoke 738 3000 0.246 (0.241, 0.251)

Which statement is true?

Group of answer choices

A. We can conclude the proportion of undergrads who do not smoke cigarettes is about 50%

B. A hypothesis test for this data would use a z test of one proportion

C. The t test for this test would not be significant