Which conditions must be satisfied in order to use population proportion hypothesis test? Select ALL that apply.

(a) p * p_bar > 5

(b) n * p_bar > 5

(c) n * p > 5

(d) n * (1 - p_bar) > 5

Question 2

We wish to test a claim that at least 40% of high school students play a musical instrument. Out of 100 randomly-selected students, 35 report to playing a musical instrument. Suppose we use a population proportion hypothesis test. What is the z-statistic corresponding to our sample data? Report to two decimal places.