Suppose the number of people entering a restaurant for dinner on any given day has mean 100 and standard deviation 20, and suppose that each person orders a total amount for food and drinks that is normally distributed with mean $25 and standard deviation $5. for each of the following scenarios, find the mean and standard deviation of the total revenue for the restaurant for dinner on a random evening. a. each person orders independently. b. the first person picks a meal and beverage, and everyone else orders the same thing (e. g., a group has booked the restaurant for a party).c. the correlation between any two people’s bills is -.3.d. the total number of people is known to be 100 and each person orders independently.