SOLUTION: two out of three females under the age of 25 have used hair coloring. If a random sample of 15 females under the age of 25 is drawn, find the probability that 10 have used hair-col

SOLUTION: two out of three females under the age of 25 have used hair coloring. If a random sample of 15 females under the age of 25 is drawn, find the probability that 10 have used hair-col

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Question 356140: two out of three females under the age of 25 have used hair coloring. If a random sample of 15 females under the age of 25 is drawn, find the probability that 10 have used hair-coloring products.
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
(x+y)^15 Let x=2/3 and y=1/3
nCr=15C10=3003
3003*x^10*y^5=.2143 Probability EXACTLY 10 out of 15 have used hair-coloring products.
.
Ed
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