Corey's sock drawer has 9 black socks 10 white socks, 4 green socks and 2 socks with pink flamingos. He randomly picks three socks assuming that he will get a matched pair but instead turns up with one black one white and one green sock. Without putting back the socks he picked he picks another sock randomly. what is the probability that he will have a complete pair?

answer: the answer is one of

step-by-step explanation:   we are given to write a proper fraction where the whole is divided into an even number of equal parts less than ten, and an odd number of those parts exist.

an even number less than 10 may be one of 2, 4, 6 or 8. so, the whole may be one of these four evens.

now, an odd number of these parts must exist, so the numerator must be an odd number, one of 1, 3, 5 or 7. it cannot be 9 because then the fraction will become improper.

thus, our fraction may be one of the following

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take good notes.

do your homework.

use mnemonics and other tricks.

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note: the best i know.

4.08%

step-by-step explanation: