An airline claims that there is a 0.10 probability that a coach-class ticket holder who flies frequently will be upgraded to first class on any flight. This outcome is independent from flight to flight. Sam is a frequent flier who always purchases coach-class tickets.
For the following questions, pick the correct value rounded to the nearest hundredth.

What is the probability that Sam will be upgraded exactly 3 times in his next 20 flights?

What is the probability that Sam will be upgraded at most 4 times in his next 20 flights?

What is the probability that Sam’s first upgrade will occur on the third flight?