document.write( "Question 167423: Nine customers at a supermarket are asked independently if they use brand X laundry soap. In general, 27% of the population use this brand. What is the probability that among the nine, more than two people use brand X? (Round your answer to 4 decimal places.) \n" ); document.write( "

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Nine customers at a supermarket are asked independently if they use brand X laundry soap. In general, 27% of the population use this brand. What is the probability that among the nine, more than two people use brand X? (Round your answer to 4 decimal places.)
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\n" ); document.write( "P(x>=3) = 1 - binomcdf(9,0.27,2) = .45523...
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H. \n" ); document.write( "

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