Please solve RD Sharma Class 12 Chapter 30 Probability Exercise Case Study Based Question, question 1 sub question (i) Maths textbook solution.
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.
Sonia’s error rate = 0.04
So, (b) is correct option