document.write( "Question 1177775: According to a recent survey, 90% of students say that they do not get enough sleep. Assume the survey meets the conditions of a binomial experiment. Round your answers to three decimal places\r
\n" ); document.write( "\n" ); document.write( "In a random survey of 28 students, find the probability that exactly 26 of them will say that they do not get enough sleep:\r
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\n" ); document.write( "\n" ); document.write( "In a random survey of 28 students, find the probability that more than 26 of them will say that they do not get enough sleep: \n" ); document.write( "

Algebra.Com's Answer #806871 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "Hi\r\n" );
document.write( "Binomial Distribution:  p(do not get enough sleep) = .9\r\n" );
document.write( "Using TI or similarly an inexpensive calculator like a Casio fx-115 ES plus \r\n" );
document.write( "n = 28\r\n" );
document.write( "... P(x = 26) = binompdf(28, .9, 26) = .2442\r\n" );
document.write( "... P(x > 26) = 1-  P(x ≤ 26)= 1 - binomcdf(28, .9, 26) = 1-.7848 = .2152\r\n" );
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document.write( "Important You are  comfortable using Your Calculator.\r\n" );
document.write( "Wish You the Best in your Studies.\r\n" );
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