Answered: When making random guesses on an 6…

When making random guesses on an 6 question quiz the probability of guessing correctly on any one question is 0.25. What is the probability of guessing correctly on at least one question?

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

When making random guesses on an 6 question quiz the probability of guessing correctly on any one question is 0.25. What is the probability of guessing correctly on at least one question?

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Expert Solution

Step 1

Let p be the probability of guess the correct answer

p=0.25

n=6

Let X be the number of correct answer.

X~B(n=6,p=0.25)

P(X≥1)= ?

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