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Introductory Statistics
Found in: Page 217
Introductory Statistics

Introductory Statistics

Book edition OER 2018
Author(s) Barbara Illowsky, Susan Dean
Pages 902 pages
ISBN 9781938168208

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Short Answer

Q and R are independent events. P(Q)=0.4 and P(Q AND R) = 0.1. Find P(R).


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Step by Step Solution

Step 1: Content Introduction

Independent event are ones whose event is not contingent on the occurrence of another event.

Step 2: Content Explanation

It is given that Q and R are independent events.

Therefore, P(R) can be calculated as follow:

P(QANDR)=P(Q) × P(R)0.1=0.4×P(R)P(R)=0.25

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