Question: average 281 per day. 55 random selected busness travalers. population mea $281 per day. what is the probability smaple aveage of more than $274 per

average 281 per day. 55 random selected busness travalers. population mea $281 per day. what is the probability smaple aveage of more than $274 per day if the population standrad deviation is $47

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