Question

In the past, 25% of the town residents participated in the school board elections. The town officials recently undertook an extensive campaign to encourage registered voters to participate in the election process. They are interested in determining whether the promotional campaign actually increased the proportion of voters.

The correct set of hypotheses is:

2. What does the value p0 represent in tests about the population proportion?

Answer 1

1.
`H_(0)`:at most 25% of the town residents participate in the school board election

`H_(a)`:more than 25% of the town residents participate in the school board election

2.
`p_(0)` = 0.25

Explanation:

`p_(0)` is choosen as the highest possible proportion probability according to the null hypothesis, which is 25%