SOLUTION: Suppose that 3 out of 4 dentists recommend SparkleSmile toothpaste. (a) If 10 dentists are randomly selected, find the probability that less than eight would recommend Spark

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Question 1073689: Suppose that 3 out of 4 dentists recommend SparkleSmile toothpaste.
(a) If 10 dentists are randomly selected, find the probability that less than eight would recommend SparkleSmile.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Suppose that 3 out of 4 dentists recommend SparkleSmile toothpaste.
(a) If 10 dentists are randomly selected, find the probability that less than eight would recommend SparkleSmile.
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Binomial problem with p = 3/4 and n = 10
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P(0<= x <=7) = binomcdf(10,3/4,7) = 0.4744
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Cheers,
Stan H.
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