document.write( "Question 455020: Each day the probability of rain on a tropical island is 7/8. Which expression represents the probability that it will rain on the island n days in the next three days? \r
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document.write( "A) 8C7(3)^n(3)^8-n
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document.write( "B) 3C3(7/8)^3(1/8)^n
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document.write( "C) 3Cn(7/8)n(1/8)^3-n
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document.write( "D) nC3(7/8)3(1/8)^n \n" );
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Algebra.Com's Answer #312486 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Each day the probability of rain on a tropical island is 7/8. Which expression represents the probability that it will rain on the island n days in the next three days? \n" ); document.write( "--- \n" ); document.write( "Binomial Problem with # of trials = 3 ; p = 7/8; q = 1/8; # of successes = n \n" ); document.write( "----- \n" ); document.write( "Ans: 3Cn(7/8)^n(1/8)^(3-n) \n" ); document.write( "============================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============================ \n" ); document.write( "A) 8C7(3)^n(3)^8-n \n" ); document.write( "B) 3C3(7/8)^3(1/8)^n \n" ); document.write( "C) 3Cn(7/8)n(1/8)^3-n \n" ); document.write( "D) nC3(7/8)3(1/8)^n \n" ); document.write( " \n" ); document.write( " |