SOLUTION: Use the given information to find the P-value. Also, use a 0.05 significance level and state the conclusion about the null hypothesis (reject the null hypothesis or fail to reject
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Question 968366: Use the given information to find the P-value. Also, use a 0.05 significance level and state the conclusion about the null hypothesis (reject the null hypothesis or fail to reject the null hypothesis).
The test statistic in a left-tailed test is z = -2.05
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Use the given information to find the P-value. Also, use a 0.05 significance level and state the conclusion about the null hypothesis (reject the null hypothesis or fail to reject the null hypothesis).
The test statistic in a left-tailed test is z = -2.05
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p-value = p(z < -2.05) = normalcdf(-100,-2.05) = 0.0218
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Since the p-value is less than 5%, reject Ho.
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Cheers,
Stan H.
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