\(2^3+3^2\)

=8+9

=17

=8+9

=17

Question

asked 2021-05-05

There are 5 women and 3 men waiting on standby for a flight to New York. Suppose
3 of these 8 people are selected at random, and a random variable X is defined to
be the number of women selected. Find Pr[X = 2].

asked 2021-05-31

Let A and B be subsets of U with n(U)=100,n(A)=60,n(B′)=30,n(U)=100,n(A)=60,n(B
′ )=30, and n(A U B) = 75, Find \(\displaystyle{n}{\left({A}⋂{B}\right)}\)

asked 2021-06-08

Let \(\displaystyle{n}{\left({X}\cdot{Y}\right)}={24},{n}{\left({X}\cdot{Z}\right)}={15}\), and \(\displaystyle{n}{\left({Y}\cdot{Z}\right)}={40}\). Find n(X*Y*Z).

asked 2021-06-13