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Chapter 2: Q.2.13 (page 54)

Suppose that a person chooses a letter at random from R E S E R V E and then chooses one at random from V E R T I C A L. What is the probability that the same letter is chosen?

Short Answer

Expert verified

Probability of choosing letter which exist in both would be P(A intersection B)=P(A)路P(B)=156

Step by step solution

01

Step 1. Finding probability of RESERVE

Probability of choosing letter from "RESERVE" is P(B)=17

02

Step 2. Finding probability of VERTICAL 

Probability of choosing letter from "VERTICAL" is P(B)=18

03

Step 3. Finding probability of choosing a letter which exist in both

Probability of choosing a letter which exist in both would be P(A intersection B)=P(A).P(B)=156

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