Sample proportion is found


Consider the hypothesis test given by

H0 : p = 0.5

H1 : p > 0.5

In a random sample of 225 subjects, the sample proportion is found to be 0.55.

(a) Determine the test statistic.

(b) Determine the P-value for this test.

(c) Is there sufficient evidence to justify the rejection of H0 at the significant level of 0.01?

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Basic Statistics: Sample proportion is found
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