The average ticket price for a Washington Redskins football game was $81.89 for the season. With the additional costs of parking, food. drinks, and souvenirs, the average cost for a family of four to attend a game totaled $442.54. Assume the normal distribution applies and that the standard deviation is $65.
What is the probability that a family of four will spend more than $400? (Round to four decimal places)
What is the probability that a family of four will spend $300 or less? (Round to four decimal places)
What is the probability that a family of four will spend between $400 and $500? (Round to four decimal places)