Question 3) According to the Department of Education, the time college students spend on their cell phones daily is normally distributed with average of 270 minutes and a standard deviation of 75...

Question 3)

According to the Department of Education, the time college students spend on their cell phones daily is normally distributed with average of 270 minutes and a standard deviation of 75 minutes. Suppose a college student is selected at random and the amount of time they spend on the phones that day is recorded.

• What is the probability that students spent less than 230 minutes on their phone that day?

• What is the probability that students spent more than 300 minutes on their phone that day?

• What is the probability that students spent between 200 and 350 minutes on their phone that day?