Question

A box contains 20 crayons. There are 7 red crayons, 5 yellow crayons, and the rest

are blue crayons. Suppose an experiment involves a person removing 3 crayons from the box.

What is the probability that the person first removes a blue crayon, then a red crayon, and finally a

yellow crayon, with replacement? State your answer as the exact percentage found.

SHOW ALL WORK!

Answer 1

Answer: Individual probability stated below. As a single event 8/20×7/20×5/20

=280/8000= 3.5%

Step-by-step explanation: Balls picked with replacement is independent event.

P(red) =7/20 =35%

p(blue)= 8/20=40%

P(yellow) 5/20=25%