The Next Questions Are Based on the Following Information

question 100

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.
-What can be concluded by failing to reject the null hypothesis?

• A)that the null hypothesis is correct,therefore the alternative hypothesis should be rejected
• B)that the alternative hypothesis is correct,therefore the null hypothesis should be rejected
• C)that the function of the alternative hypothesis is incorrect
• D)that the test procedure is not strong enough to reject the null hypothesis

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