4. In a recent poll of 737 adults, 92% said that they do not open unfamiliar...

4. In a recent poll of 737 adults, 92% said that they do not open unfamiliar emails. Use a 0.01 significance level to test the claim that more than 75% of adults do not open unfamiliar emails.

a. Identify the null and alternative hypothesis.

b. Is the test two-tailed, left-tailed or right-tailed? Explain.

c. What is the test-statistic?

d. What is the p-value?

e. What is the critical value?

f.. What is your decision; Reject or fail to reject the null hypothesis? Explain using the results from part d or e.

g. State the final conclusion which addresses the original claim.

Expert Solution

orchestra answered 2 years ago

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