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Suppose the mean wage in the U.S. for 20- to 24-year-olds is 30 thousand Your friend in class states: The probability of selecting a single

Suppose the mean wage in the U.S. for 20- to 24-year-olds is 30 thousand

Your friend in class states:

"The probability of selecting a single person in the U.S. between 20 and 24 who is earns less than 25 thousand is much less than the probability of a random sample of size 100 giving a mean wage less than 25 thousand"

Is your friend correct? Why do you think that?

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