The Next Questions Are Based on the Following Information

question 37

Multiple Choice

The Next Questions Are Based On The Following Information:
A hydraulic press is operating correctly when the standard deviation of the pressure is less than 120 pounds-per-square-inch (psi) .Suppose you take a random sample of 15 measurements throughout the day of the psi and find the standard deviation to be 148.Suppose you want to test whether the press is operating correctly.
-Which of the following is true of the p-value?

• A)It is the probability of rejecting the null hypothesis when the null hypothesis is true.
• B)It is the smallest significance level at which a null hypothesis can be rejected.
• C)It is the probability of rejecting the null hypothesis when the alternative hypothesis is true.
• D)It is the extreme value of the test statistic obtained when the alternative hypothesis is true.

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The act of giving special importance or prominence to something in speech or writing.