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Food Expenditures Narrative the Amount of Money Spent on Food Per Week by Per

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Food Expenditures Narrative
The amount of money spent on food per week by a Canadian family is known to have a mean of $92 and a standard deviation of $9. Suppose a random sample of 81 families is taken and their sample mean food expenditure is calculated.
-Refer to Food Expenditures Narrative. Find the probability that the sample mean, Food Expenditures Narrative The amount of money spent on food per week by a Canadian family is known to have a mean of $92 and a standard deviation of $9. Suppose a random sample of 81 families is taken and their sample mean food expenditure is calculated. -Refer to Food Expenditures Narrative. Find the probability that the sample mean, , does not exceed $90.40. , does not exceed $90.40.

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