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Level of significance to think the fitness clubs

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A fitness club claims that the average age of its members is 42. Assume that the ages are normally distributed. You believe that the average age is less than 42, therefore, you ask the ages of a few of the tness clubs members and get the following values:

40, 55, 50, 33, 38, 35, 30, and 45. Do you have any reason at the 10% level of significance to think the fitness clubs claim is incorrect?

Reference no: EM132167129

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