Easy, easy question-please help

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Easy, easy question--please help...

I have not taken stats in a long time and I was having trouble trying to solve this problem...

"When a woman is injected with an egg fertilized in vitro, the probability of it implanting successfully is 20%. If a woman is injected with five eggs simultaneously, what is the probability that she will become pregnant?"

thanks for the help.
 

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DaveC426913
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The way to deal with this is to reverse it.

With each egg, there is an 80% prob that it won't take. What is the total prob. that she will NOT get pregnant? 100 - that.
 

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