OpenStax, Statistics §4.3 Binomial Distribution (Optional) · Exercise 20 · Probability · Discrete distributions

Binomial Distribution (Optional) · Exercise 20

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 percent of the questions correctly.

~8 minWritten answer · compare with the solution

OpenStax, Statistics · §4.3 Binomial Distribution (Optional) · Exercise 20

Stuck? A gentle nudge

No hints for this one.

Something off?

Workspace

Your working

Check your full solution

Upload photos of your handwritten work or a PDF, and Lemma will read it and tell you whether it's right — and where it first goes wrong if not.