The mean amount spent on gasoline per month by American households is $387 with a standard deviation of $16. If a random
Posted: Thu Jul 14, 2022 4:53 pm
The mean amount spent on gasoline per month by Americanhouseholds is $387 with a standard deviation of $16. If a randomsample of 44 households is chosen, find the probability that theyspend on average more than $390 per month on gasoline.