September 2022 EE Boards
Engineering Mathematics
Probability

Donations were made by alumni for a school to fund a new computer room. Data shows that 80% of alumni give at least P50. If the administration contacts 20
alumni, what is the probability that less than 17 of them will give at least P50?

A. 0.589
B. 0.746
C. 0.164
D. 0.761