Question: Suppose that a claim is made that the average billionaire is 60 years old or younger. The following is a random sample of billionaires' ages,

Suppose that a claim is made that the average billionaire is 60 years old or younger. The following is a random sample of billionaires' ages, drawn from the Forbes list.

80, 70, 76, 54, 59, 52, 74, 64, 76, 67, 39, 67, 43, 62, 57, 91, 55

Conduct the test using the 0.05 level of significance.

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