According to the socioeconomic portrait of Quebec City, the average income per household is $65,234. Let's say
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Question:
According to the socioeconomic portrait of Quebec City, the average income per household is $65,234. Let's say that the standard deviation of income per household is $5,256. A random sample of 64 households is drawn from this economic sector.
What is the probability that the average income per household in Quebec City is less than $64,500?
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