SOLUTION: When an adult is randomly selected, there is an 85% chance that this person knows what Twitter is. Find the probability that exactly three out of any five randomly selected adults

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Question 1107243: When an adult is randomly selected, there is an 85% chance that this person knows what Twitter is. Find the probability that exactly three out of any five randomly selected adults know of Twitter.
Answer by greenestamps(13198)   (Show Source): You can put this solution on YOUR website!


Binomial probability; 0.85 probability that the person knows and 0.15 probability that they don't.

The probability that 3 out of 5 know and 2 do not is


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