document.write( "Question 459351: . A particular hair treatment program has caused hair growth in 70% of its users. A random sample of 20 users is obtained. Using the Binomial Probability Distribution, determine the following probabilities:
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document.write( "a) That exactly 15 experienced hair growth. \r
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document.write( "b) That less than 9 experienced hair growth.\r
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document.write( "c) That more than 12 experience hair growth.\r
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document.write( "d) That 15 or more experience hair growth.
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Algebra.Com's Answer #315011 by edjones(8007)![]() ![]() You can put this solution on YOUR website! g=.7, n=.3 \n" ); document.write( ". \n" ); document.write( "a) \n" ); document.write( "20C15*g^15*n^5 \n" ); document.write( "=15504*.0047*.0024 \n" ); document.write( "=.1789 \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |