2. A recent survey by a car insurance company revealed that 80% of teenage girls text while driving. You have been hired to do a safety presentation to a high school class of 100 teenage girls. You...

2. A recent survey by a car insurance company revealed that 80% of teenage girls text while driving. You
have been hired to do a safety presentation to a high school class of 100 teenage girls. You will ask how
many of them text while driving.
d. What is the expected number of girls in this class who text while driving?
e. What is the standard deviation of this distribution?
f. What is the probability that exactly 75 of these girls text while driving?