SOLUTION: Can you please help me to solve this problem? I must show my work seventy percent of all children in a school do not have cavities. From the binomial probability distribution t

Question 449797: Can you please help me to solve this problem?
I must show my work
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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Binomial Problem with n = 11 and p = 0.7
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P(7<= x <=11) = 1- P(0<= x <=6) = 1 - binomcdf(11,0.7,6) = 0.7897
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Cheers,
stan H.
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