• 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?
Mathematics

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