What is the probability of not choosing a blue marble? - ProProfs Discuss
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What is the probability of not choosing a blue marble?

A jar contains 27 red marbles, 23 blue marbles, 16 yellow marbles and 34 green marbles. A marble is chosen randomly out of the jar.

Asked by Enxian, Last updated: Jan 08, 2024

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John Smith

John Smith

John Smith
John Smith

Answered Mar 01, 2017

Total number of marbles = 27 + 23 + 16 + 34 = 100 and total number of non-blue marbles = 27 + 16 + 34 = 77. Therefore, the probability of not choosing a blue marble = probability of choosing red, yellow or green marble = 77 / 100
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