Question: Refer to the information in the given exercise and use a 0.05 significance level for the following. The test statistic of z = 1.80 is

Refer to the information in the given exercise and use a 0.05 significance level for the following.

The test statistic of z = 1.80 is obtained when testing the claim that p ≠ 0.314. 

a. Find the critical value(s).

b. Should we reject H0 or should we fail to reject H0?

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