In people with Northern European ancestry, the probability of any given person being lactose intolerant is 0.4566. Suppose you randomly select 22 people with Northern European ancestry. Use this information to answer the following questions. A)Of the selected people, how many would you expect to be lactose intolerant?

B)What is the standard deviation of the number of selected people who would be lactose intolerant?

C)What is the probability that more than 7 of the selected people would be lactose intolerant?

D)What is the probability that between 2 and 9 (inclusive) of the selected people would be lactose intolerant?

Round to four decimals in each please