We have given the value obtained for the test statistic, z, in a one-mean z-test. We have

Question:

We have given the value obtained for the test statistic, z, in a one-mean z-test. We have also specified whether the test is two-tailed, left-tailed, or right-tailed. Determine the P-value in each case and decide whether, at the 5% significance level, the data provide sufficient evidence to reject the null hypothesis in favor of the alternative hypothesis.

Right-tailed test:

a. z = 1.24 

b. z = −0.69

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question
Question Posted: