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In order to test the following hypotheses at an ? level of significance H0: ? ?...

In order to test the following hypotheses at an ? level of significance

H0: ? ? 800 Ha: ? > 800 the null hypothesis will be rejected if the test statistic Z is

a.                > Z?

b.                < Z?

c.                < -Z?

d.                = ?

math   Statistics-And-Probability   
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Answer #1

Answer: option(A)

Since it is an upper tailed test, we will look at +ve value of Z and if we get Z greater than Z alpha, we reject the Null Hypothesis.

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