Math, asked by loscerareita7811, 11 months ago

A box contains 9 white 4 black and 7 red pens. Three pens are selected in succession without replacement. What is the probability if the first pen is red, second is black and third is also red?

Answers

Answered by ayushkumar1855

0

Answer:

red=7/20

black =4/20

red=7/20

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