Question

We are conducting a test of the hypotheses h0: p = 0.2 ha: p ≠ 0.2 we find a test statistic of z = -1.11. what is the corresponding p-value? give your answer as a proportion between 0 and 1 to 4 decimal places.

Answer 1

we have to find the p value from the z table and multiply by 2 for two tailed hypothesis at 5% level of significance. The P-Value is 0.266999.