is asked pick up 2 balloons from a box containing 10 blue and 15 red balloons. What is the probability of the child picking, at random, 2 balloons of different colours?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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8. A child is asked to pick up 2 balloons from a box containing 10 blue and 15 red balloons. What is
the probability of the child picking, at random, 2 balloons of different colours?
(a) /
112 113
9
(b)
(d)
23 35
Transcribed Image Text:8. A child is asked to pick up 2 balloons from a box containing 10 blue and 15 red balloons. What is the probability of the child picking, at random, 2 balloons of different colours? (a) / 112 113 9 (b) (d) 23 35
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