Given that xmacr 78 sigma2nbsp 25 n 10 and alpha 005


Given that X¯ = 78, σ2 = 25, n = 10, and α = 0.05, test H0: µ > 80, assuming observations are randomly sampled from a normal distribution.

Also, draw the standard normal distribution indicating where Z and the critical value are located.

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Basic Statistics: Given that xmacr 78 sigma2nbsp 25 n 10 and alpha 005
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