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A consumer products company is formulating a new shampoo and is interested in foam height (in millimeters). Foam height is approximately normally distributed and has a standard deviation of 20 millimeters. The company wishes to test H0:µ=175 millimeters versus H1:µ>175 millimeters, using the results of n=10 samples.

a. Does the null hypothesis should be accepted? Use !=0.01, and write your conclusion.

b. Find the P_value.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
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