99% of these households spent less than what amount?
Posted: Tue Aug 03, 2021 7:15 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.
99% of these households spent less than what amount?
59.4
99% of these households spent less than what amount?
59.4