probability of something

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1/7 of all people are allergic to Tylenol.  If 4 people are selected at random, find the probability that all four people are not allergic to Tylenol. 

Jun 2nd, 2015

Thank you for the opportunity to help you with your question!

1/7 allergic to Tylenol

those not allergic are 6/7

if 4 people are selected then it will be 6/7*4= 3

3 people


Please let me know if you need any clarification. I'm always happy to answer your questions.
Jun 2nd, 2015

thank you! so would the probability be .75?

Jun 2nd, 2015

yes. welcome

Jun 2nd, 2015

If the probability to win is 3/7, what are the odds to win?

Jun 2nd, 2015

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Jun 2nd, 2015
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Jun 2nd, 2015
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