A recent article in a university newspaper claimed that the

A recent article in a university newspaper claimed that the proportion of students who commute more than miles to school is no more than . Suppose that we suspect otherwise and carry out a hypothesis test. State the null hypothesis and the alternative hypothesis that we would use for this test.

Solution

Note that the claim always goes to the alternative (H1), and the direct opposite of it is Ho.

Thus,

Ho: p > 0.15
H1: p <= 0.15 [ANSWER]