If the test is done at a 5% level of significance, the null hypothesis should

n = 49

H0: μ = 50

x = 54.8

Ha: μ ≠ 50

σ = 28

If the test is done at a 5% level of significance, the null hypothesis should

a. not be rejected

b. be rejected

c. Not enough information given to answer this question.

d. None of the other answers are correct.

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Expert Solution

orchestra answered 1 year ago

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