Back to 4.1 Probability Distribution Function (PDF) for a Discrete Random Variable

4.1 Exercise 20

Avg difficulty 2.5


Use the following information to answer the next five exercises: Javier volunteers in community events each month. He does not do more than five events in a month. He attends exactly five events 35% of the time, four events 25% of the time, three events 20% of the time, two events 10% of the time, one event 5% of the time, and no events 5% of the time.

Find the probability that Javier volunteers for at least one event each month. P(x > 0) = _______

OpenStax Introductory Statistics 2e, 4.1 Probability Distribution Function (PDF) for a Discrete Random Variable, exercise 20

AI Tutor

Adapted from Introductory Statistics 2e © 2023 Rice University. Licensed under CC BY 4.0. Source: Introductory Statistics 2e. Imported at revision 50ec917.