In 2001, 61.3% of U.S. households spent an average of $36.16 on ground coffee.
Posted: Tue Aug 03, 2021 7:14 am
In 2001, 61.3% of U.S. households spent an average of $36.16 on ground coffee. Assume that these expenditures are a normally distributed random variable with mean = $36.16 and standard deviation = $10.
What was the probability that one of these households spent between $30 and $40?
0.38
What was the probability that one of these households spent between $30 and $40?
0.38