Question

Let X be the number of students who show up for a professor's office hour on a particular day. Suppose that the pmf of X is p(0) = 0.30, p(1) = 0.15, p(2) = 0.20, p(3) = 0.25, and p(4) = 0.10. (a) Draw the corresponding probability histogram.

Answer 1

Answer:

attachment

Step-by-step explanation:

In order to draw the probability histogram, i enter this probability mass function in excel, as follows:

x P(x)

0 0.3

1 0.15

2 0.2

3 0.25

4 0.1

then, i select the drawing of the histogram in the insert tool of excel.