Question

The American Automobile Association (AAA) reported that families planning to travel over the Labor Day weekend would spend an average of $749 (The Associated Press, August 12, 2012). Assume that the amount spent is normally distributed with a standard deviation of $225.
a. What is the probability that family expenses for the weekend will be less than $400?
b. What is the probability that family expenses for the weekend will be $800 or more?
c. What is the probability that family expenses for the weekend will be between $500 and $1000?
d. What are the Labor Day weekend expenses for 5% of the families with the most ex-pensive travel plans?



$1.99
Sales9
Views324
Comments0
  • CreatedFebruary 16, 2015
  • Files Included
Post your question
5000