SOLUTION: seventy percent of all children in a school do not have cavities. From the binomial probability distribution table, the probability that in a random sample of eleven children selec

Question 354691: seventy percent of all children in a school do not have cavities. From the binomial probability distribution table, the probability that in a random sample of eleven children selected from the school that at least 7 will not have cavities is:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
seventy percent of all children in a school do not have cavities. From the binomial probability distribution table, the probability that in a random sample of eleven children selected from the school that at least 7 will not have cavities is:
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P(7<= x <= 11) = 1 - binomcdf(11,0.7,6) = 0.8000
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Cheers,
Stan H.
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