1-The length of time a domestic flight must wait between gate departure and takeoff taxi at Boston's Logan International Airport is approximately normally distributed with a mean of 20 minutes and a...

C.) What is the probability that a plane waits more than 12 minutes between gate departure and taxiing down the runway?

D.) What is the length of time that only 5% of planes wait this long or longer before gate departure and taxiing down the runway?

Extracted text: 1-The length of time a domestic flight must wait between gate departure and takeoff taxi at Boston's Logan International Airport is approximately normally distributed with a mean of 20 minutes and a standard deviation of 5 minutes. c. What is the probability a plane waits more than 12 minutes between gate departure and takeoff taxi? d. What is the length of time such that only 5% of planes wait this long or longer before gate departure and taxiing down the runway?