document.write( "Question 855304: In a study of brand recognition, 90% of consumers recognize coke. In a sample of 20 customers, find the probability that:
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Algebra.Com's Answer #515225 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "p = .90, n = 20
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document.write( "P(x = 18) = binompdf(20,.90,18) = .2852
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document.write( "P(x ≥ 18) = 1 - binomcdf(20,.90, 17) = .6769
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document.write( "P(x ≤ 18) = binomcdf(20,.90, 18) = .6083 \n" );
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