The probability of having a sibling is 80%. For 6 randomly chosen people, what is the...
The probability of having a sibling is 80%. For 6 randomly chosen people, what is the probability that 5 OR MORE of them have a sibling? Give your answer as 0.XX
Homework Answers
probability = 80/100 = 0.80
number of trials n = 6
we have to find P(X is 5 or more) = P(X=5) + P(X=6)
use binomial formula
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