## Question

# The test statistic of z = - 2.93 is obtained when testing the claim that p < 2/ 3. This is a left-tailed test. Using

The test statistic of z = - 2.93 is obtained when testing the claim that p < 2/3. This is a left-tailed test. Using a 0.01 significance level, complete parts (a) and (b).

a. Find the critical value(s).

Select the correct choice below and fill in the answer boxes) within your choice.

- A. There is one critical value; the critical value is
- В. There are two critical values; the lower critical value is and the upper critical value is

b. Should we reject Ho or should we fail to reject Ho?

• A. Ho should be rejected, since the test statistic is not in the critical region.

B. Ho should not be rejected, since the test statistic is not in the critical region.

с. Ho should not be rejected, since the test statistic is in the critical region.

D. Ho should be rejected, since the test statistic is in the critical region.

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