A Company That Makes Shampoo Wants to Test Whether the Average

question 61

Multiple Choice

A company that makes shampoo wants to test whether the average amount of shampoo per bottle is 16 ounces. The standard deviation is known to be 0.20 ounces. Assuming that the hypothesis test is to be performed using 0.10 level of significance and a random sample of n = 64 bottles, how large could the sample mean be before they would reject the null hypothesis?

• A) 16.2 ounces
• B) 16.049 ounces
• C) 15.8 ounces
• D) 16.041 ounces

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