please answer using English Formula so I can understand it .
10. Suppose only 90% of the
students in a class of 50 will show up for lecture on Friday.
If a teacher prepared only 44 handouts for Friday's lecture, find the probability that
there will be enough handouts for everyone who show up (assuming that each person
get exactly one handout).
13. If the probability of a student graduating is 0.94, find the mean and variance of the
number of students graduating among 500 students.