The America Automobile Association reported families planning to travel over labor day spend an average of $749. Assume travel costs are normally distributed with a standard deviation of $200.
The America Automobile Association reported families planning to travel over labor day spend an average of...
You see an article that claims that Americans spend an average of 5 hours per day watching television with a standard deviation of 1 hour. a. Draw the distribution. b. Find the probability that a randomly selected person spends between 3 and 5 hours watching television. c. Find the percentage of people who spend more than 6 hours watching television. d. If a person is in the top 2.5%, what is the minimum amount of time that the person is...