SOLUTION: Of the members of a boy scout troop,m 15% have received their first aid badge. If 40 boy scouts are selected at random, find the probability that 4 or more will have the first aid

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Question 384822: Of the members of a boy scout troop,m 15% have received their first aid badge. If 40 boy scouts are selected at random, find the probability that 4 or more will have the first aid badge?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Of the members of a boy scout troop,m 15% have received their first aid badge. If 40 boy scouts are selected at random, find the probability that 4 or more will have the first aid badge?
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Binomial Problem with n = 40 and p = 0.15
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P(4<= x <=40) = 1 - P(0<= x <=3) = binomcdf(40,0.15,3) = 0.8698
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Cheers,
Stan H.