Question

In: Statistics and Probability

Assume that z is the test statistic. (a) H0: μ = 22.5, Ha: μ > 22.5;...

Assume that z is the test statistic.

(a) H0: μ = 22.5, Ha: μ > 22.5; x = 24.8, σ = 5.8, n = 30
(i) Calculate the test statistic z. (Round your answer to two decimal places.)


(ii) Calculate the p-value. (Round your answer to four decimal places.)


(b) H0: μ = 200, Ha: μ < 200; x = 191.6, σ = 36, n = 21
(i) Calculate the test statistic z. (Round your answer to two decimal places.)


(ii) Calculate the p-value. (Round your answer to four decimal places.)


(c) H0: μ = 12.4, Ha: μ ≠ 12.4; x = 10.8, σ = 5.2, n = 34
(i) Calculate the test statistic z. (Round your answer to two decimal places.)


(ii) Calculate the p-value. (Round your answer to four decimal places.)

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Expert Solution

orchestra answered 2 years ago
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