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The annual ground coffee expenditures for households are approximately normally distributed with a mean of $46.11 and a standard deviation of $ 11.00 a. Find
The annual ground coffee expenditures for households are approximately normally distributed with a mean of $46.11 and a standard deviation of $ 11.00 a. Find the probability that a household spent less than $30
b. Find the probability that a household spent more than $60.
c. What proportion of the households spent between $25 and $35?
d.97.5% of the households spent less than whatamount?
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