Mimi is interested in testing the claim that more than 75% of the adults believe in global warming – Online Homework Help

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Mimi is interested in testing the claim that more than 75% of the adults believe in global warming. She conducted a survey on a random sample of 100 adults. The survey showed that 80 adults in the sample believe in global warming.

Assume Mimi wants to use a 0.05 significance level to test the claim.

(a) Identify the null hypothesis and the alternative hypothesis.

(b) Determine the test statistic. Show all work; writing the correct test statistic.

(c) Determine the P-value for this test. Show all work; writing the correct P-value.

(d) Is there sufficient evidence to support the claim that more than 75% of the adults believe in global warming? Explain.