## Question

###### Assume that a simple random sample has been selected from : normally distributed population and test the given claim. Identify the null and alternative hypotheses; test statistic critical value(s) and state the final conclusion that addresses the original claim: 4) A manufacturer makes ball bearings thatare supposed to have a mean weight oE 30 g A retailer suspects that the mean weight is actually less than 30 g The mean weight for a random sample of 16 ball bearings is 28.6 g with standard devi

Assume that a simple random sample has been selected from : normally distributed population and test the given claim. Identify the null and alternative hypotheses; test statistic critical value(s) and state the final conclusion that addresses the original claim: 4) A manufacturer makes ball bearings thatare supposed to have a mean weight oE 30 g A retailer suspects that the mean weight is actually less than 30 g The mean weight for a random sample of 16 ball bearings is 28.6 g with standard deviation 0f 4.4 & At the 0.05 significance level, test the claim that the sample comes from a population with a mean weightless than 30 & Ho = HA = t= Conclusion:

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