In a hypothesis test with hypotheses Ho :H 2 80 and Hi :H < 80, a random sample of 110 elements selected from the population produced a mean of 76.0. Assume that o = 26.9, and that the test is to be made at the 3% significance level. What is the critical value of z? O -2.17 O -1.88 O 2.17 O 1.88 What is the value of the test statistic, z, rounded to three decimal places? i What is the p-value for this hypothesis test, rounded to four decimal places?

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In a hypothesis test with hypotheses Ho : µ > 80 and H1 : µ < 80, a random sample of 110 elements selected from the population
produced a mean of 76.0. Assume that o = 26.9, and that the test is to be made at the 3% significance level.
What is the critical value of z?
O -2.17
O -1.88
O 2.17
O 1.88
What is the value of the test statistic, z, rounded to three decimal places
i
What is the p-value for this hypothesis test, rounded to four decimal places?
i
Should you reject or fail to reject the null hypothesis in this test?
Transcribed Image Text:In a hypothesis test with hypotheses Ho : µ > 80 and H1 : µ < 80, a random sample of 110 elements selected from the population produced a mean of 76.0. Assume that o = 26.9, and that the test is to be made at the 3% significance level. What is the critical value of z? O -2.17 O -1.88 O 2.17 O 1.88 What is the value of the test statistic, z, rounded to three decimal places i What is the p-value for this hypothesis test, rounded to four decimal places? i Should you reject or fail to reject the null hypothesis in this test?
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