Question: In Example 5.4 on page 172, you and two friends decided to go to Burger King. Instead, suppose that you went to McDonald's, which last month filled 90% of the orders accurately. What is the probability that

(a) All three orders will be filled accurately?

(b) None of the three will be filled accurately?

(c) At least two of the three will be filled accurately?

(d) What is the mean and standard deviation of the number of orders filled accurately?