A multiple-choice test contains 25 questions, each with four answers. Assume that a studentjust guesses on each question. What is the probability that the student answers more than 21questions correctly? Let X denote the number of questions answered correctly.a. 5.762 x 10-11O b.9.100 x 10-10O c. None among the choicesO d.9.677 x 10-10

Answered: Image /qna-images/answer/4330de1f-aca9-4302-a19d-57f59ed7025e.jpg

Answered: A multiple-choice test contains 25…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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