Back to 4.2 Binomial Distribution

4.2 Exercise 25

Avg difficulty 2.5

Let X = the number of games won in that upcoming month.

A student takes a 32-question multiple-choice exam, but did not study and randomly guesses each answer. Each question has three possible choices for the answer. Find the probability that the student guesses more than 75% of the questions correctly.

OpenStax Introductory Business Statistics 2e, 4.2 Binomial Distribution, exercise 25

AI Tutor

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