Mathematics, 19.10.2021 18:40 heintzelmanvp6ir6d
6.7 In a recent year, about two-thirds of US. households
purchased ground coffee. Consider the annual ground cof-
fee expenditures for households purchasing ground coffee,
assuming that these expenditures are approximately dis-
tributed as a normal random variable with a mean of
$45.16 and a standard deviation of $10.00.
a. Find the probability that a household spent less than $ 25.00
b. Find the probability that a household spent more than
$50.00
c. What proportion of the households spent between
$30.00 and $40.00?
d. 99% of the households spent less than what amount?
Answers: 2
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The volume of the a sphere whoes diameter is 18 cm is cubic cm . if it's diameter were reduced by half, it's volume would be of its original volume
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Officer brimberry wrote 32 tickets for traffic violations last week, but only 4 tickets this week. what is the percent decrease? give your answer to the nearest tenth of a percent.
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Pleasseee important quick note: enter your answer and show all the steps that you use to solve this problem in the space provided. use the circle graph shown below to answer the question. a pie chart labeled favorite sports to watch is divided into three portions. football represents 42 percent, baseball represents 33 percent, and soccer represents 25 percent. if 210 people said football was their favorite sport to watch, how many people were surveyed?
Answers: 1
6.7 In a recent year, about two-thirds of US. households
purchased ground coffee. Consider the ann...
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