document.write( "Question 449786: Could you please help me to solve this problem?\r
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document.write( "A binomial probability distribution has n = 15 trials with the probability of success on each trial is p = .65. Calculate the following.\r
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document.write( "a. The mean,, of the distribution
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document.write( "b. The standard deviation of the distribution
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document.write( "c. The probability of 10 successes
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document.write( "d. The probability of 10 failures
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document.write( "e. The probability of at least 14 successes\r
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document.write( "Must show work \n" );
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Algebra.Com's Answer #309667 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Could you please help me to solve this problem? \n" ); document.write( "A binomial probability distribution has n = 15 trials with the probability of success on each trial is p = .65. Calculate the following. \n" ); document.write( "a. The mean,, of the distribution:: np = 15*0.65 \n" ); document.write( "------------------------ \n" ); document.write( "b. The standard deviation of the distribution:: sqrt(npq) = sqrt(15*0.65*0.35) \n" ); document.write( "---------------------------- \n" ); document.write( "c. The probability of 10 successes:: 15C10(0.65)^10*(0.35)^5 \n" ); document.write( "---------------------------- \n" ); document.write( "d. The probability of 10 failures::: 15C10(0.35)^10*(0.65)^5 \n" ); document.write( "---------------------------------- \n" ); document.write( "e. The probability of at least 14 successes:: \n" ); document.write( "Ans: P(14<= x <= 15) P(x = 14) + P(x = 15) = 15C14(0.65)^14*(0.35)+(0.65)^15 \n" ); document.write( "= 15*0.0024*(0.35) + 0.0016 \n" ); document.write( "--- \n" ); document.write( "= 0.01416 \n" ); document.write( "==================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============= \n" ); document.write( " \n" ); document.write( " |