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

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

Answers (1)

Answer:

            (c)

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:

Probability that Sonia processed the form and committed an error

\begin{aligned} &=20 \% \times 0.04 \\ &=\frac{20}{100} \times 0.04 \\ &=0.008 \end{aligned}

So, (c) is correct answer

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