Question
A local tennispro-shop strings tennis rackets at the tension(pounds per squareinch) requested by the customer. Recently a customer made a claim that thepro-shop consistently strings
A local tennispro-shop strings tennis rackets at the tension(pounds per squareinch) requested by the customer. Recently a customer made a claim that thepro-shop consistently strings rackets at lowertensions, onaverage, than requested. To support thisclaim, the customer asked the pro shop to string 10 new rackets at 49 psi. Suppose thetwo-tailed P-value for the test described above(obtained from a computerprintout) is 0.07 and the sample mean is less than 49 psi. Give the proper conclusion for the test. Use =0.10.
A.
There is insufficient evidence to conclude that , the true mean tension of therackets, is less than 49 psi.
B.
Accept H0 and conclude that , the true mean tension of therackets, equals 49 psi.
C.
There is sufficient evidence to conclude that , the true mean tension of therackets, is less than 49 psi.
D.
Reject H0 and conclude that , the true mean tension of therackets, equals 49 psi.
please explain why
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