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Chapter 9: Q. 51 (page 539)

Assume H0:p=0.25 and Ha:p≠0.25. Is this a left-tailed, right-tailed, or two-tailed test?

Short Answer

Expert verified

A two-tailed test is used.

Step by step solution

01

Given information

H0:P=0.25Ha:P≠0.25

02

Explanation

The alternative hypothesis and the null hypothesis are written as follows:

H0:P=0.25Ha:P≠0.25

We can see from the alternative hypothesis that the test is for a value less than 0.25. This indication ≠indicates that the test is two-tailed.

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