There are 7 black balls and 8 red balls in an urn. If 5 balls are drawn without replacement, what is the probability that exactly 4 black balls are drawn

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asked Aug 24, 2022 201k views

1 vote

There are 7 black balls and 8 red balls in an urn. If 5 balls are drawn without replacement, what is the probability that exactly 4 black balls are drawn

Mathematics
college

AbhayAndPoorvisDad asked

by AbhayAndPoorvisDad

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1 Answer

7 votes

Answer:

(5/20)*(4/19)*(3/18)*(2/17) = 120/116280 = .001 = .1%

Explanation:

Qsiris answered Aug 29, 2022

by Qsiris

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