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- moonlight93

STAT problem, please help! I'm taking it online, and have no Idea how to solve it!
A consumer survey indicates that the average household spends μ= $185 on groceries each week?
The distribution of spending amounts is approximately normal with a standard deviation of σ=$ 25.
Based on this distribution,
a) What proportion of the population spends more than $200 per week on groceries?
b) What is the probability of randomly selecting a family that spends less than $ 150 per week on groceries?
c) How much money do you need to spend on groceries each week to be in the top 20% of the distribution?

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- moonlight93

- katieb

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- moonlight93

@dan815 can you get me started on this please? I have no idea how to do it.

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