Question

The table below is a discrete probability distribution in which x represents the number of students that a statistics tutor may see on any given day and P(x) represents the probability that the tutor sees that number of students.

x 0 1 2 3 4 5

P(x) 0.11 0.18 0.36 0.16 0.14 0.05

What is the probability that a tutor sees at either four or five students on any given day?

Answer 1