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wariber [46]
2 years ago
11

Pls help with this!!

Mathematics
1 answer:
ANEK [815]2 years ago
7 0
A)
Let X be the food expenditure of a family.
Let the population mean of an expenditure of a family be.
Let the population standard deviation of an expenditure of a family be.
The proportion families spend more than $30 but less than $490 per month on food is,
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Answer

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