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To investigate an alleged unfair trade practice, the Federal Trade Commission (FTC) takes a random sample...

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Basic Math

To investigate an alleged unfair trade practice, the FederalTrade Commission (FTC) takes a random sample of sixteen “5- ounce”candy bars from a large shipment. The mean of the sample weights is4.85 ounces and the sample standard deviation is 0.1 ounce. It isreasonable to assume the population of candy bar weights isapproximately Normally distributed. Based on this sample, does theFTC have grounds to proceed against the manufacturer for the unfairpractice of short-weight selling, on average? Answer this questionby completing the following steps of a hypothesis test at the 5%significance level.

d. Do you reject or fail to reject the null hypothesis? Why?

e. Does the FTC have grounds to proceed against the manufacturerfor the unfair practice of short-weight selling, on average?Explain your answer.

Answer & Explanation Solved by verified expert
4.2 Ratings (632 Votes)
Solution d Do you reject or fail to reject the null hypothesis Why Answer We reject the null hypothesis Step by step explanation is given as below Here we have to use one sample t test for the population mean Null hypothesis H0 FTC does not    See Answer
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