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RD Sharma Solutions Class 10 Mathematics Solutions for Probability Exercise 13.1 in Chapter 13 - Probability

Question 47 Probability Exercise 13.1

A bag contains 4 red, 5 black and 6 white balls. A ball is drawn from the bag at random. Find the probability that the ball drawn is White.

Answer:

Solution:

Events in probability are characterized as certain probable outcomes of an experiment that make up a subset of a finite sample space. Every event will always have a probability of occurrence between 0 and 1.

Given: A bag contains 4 red, 5 black and 6

white balls and a ball is drawn at random

Required to Find: Probability of getting a white ball

Total number of balls 4 + 5 + 6 = 15

Total number of white balls in the bag is 6

We know that, Probability = Number of favourable outcomes/ Total number of outcomes

Thus, the probability of drawing white a ball = 6/15 = 2/5

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