sussank2 sussank2

18-09-2022
Mathematics

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A box contains 20 balls: 10 are yellow, 6 are red, and 4 are grey. What is the probability of picking a yellow and then a red ball? (the first ball will be replaced)

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cloud314 cloud314

18-09-2022

probability of picking a yellow ball: 10/20 (1/2)

probability of picking a red ball: 6/20 (3/10)

1/2 times 3/10 =

3/20

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