SOLUTION: A researcher claims that the average age of people who buy lottery tickets is 63. A sample of 30 is selected and their ages are recorded as shown below. The standard deviation is 5
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Question 495144: A researcher claims that the average age of people who buy lottery tickets is 63. A sample of 30 is selected and their ages are recorded as shown below. The standard deviation is 5. At = 0.05 is there enough evidence to reject the researcher’s claim? Show all work.
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