SOLUTION: 70% of people liked a hamburger. on a certain day 8 customers bought it for the first time. Find the probability that at most 4 people liked the hamburger.

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Question 349553: 70% of people liked a hamburger. on a certain day 8 customers bought it for the first time.
Find the probability that at most 4 people liked the hamburger.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
70% of people liked a hamburger. on a certain day 8 customers bought it for the first time.
Find the probability that at most 4 people liked the hamburger.
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Binomial Problem with n = 8 and p = 0.7
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P(0<= x <=4) = binomcdf(8,0.7,4) = 0.1941
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Cheers,
Stan H.