Question: In a program designed to help patients stop smoking, 250 patients were given sustained care, and 82.8% of them were no longer smoking after one

In a program designed to help patients stop smoking, 250 patients were given sustained care, and

82.8% of them were no longer smoking after one month. Use a 0.10 significance level to test the claim that

80% of patients stop smoking when given sustained care.

I am trying to find the test statistic for this hypothesis test and the P-value for this hypothesis test.

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