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  • Please solve RD Sharma Class 12 Chapter 30 Probability Exercise Case Study Based Question, question 1 sub question (i) Maths textbook solution.

Please solve RD Sharma Class 12 Chapter 30 Probability Exercise Case Study Based  Question, question 1 sub question (i) Maths textbook solution.

Answers (1)

Answer:

            (b)

Hint:

            You must know rules of conditional probability

Given:

            Vinay process 50% forms, Sonia process 20% and Iqbal process 30%. Vinay has an error of 0.06, Sonia has error rate 0.04 and Iqbal has error rate of 0.03

Solution:

            The conditional probability that an error is committed in processing given that Sonia processed the form

i.e. P\left (\frac{E}{S} \right )

Sonia’s error rate = 0.04

P\left (\frac{E}{S} \right )=0.4

So, (b) is correct option

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