document.write( "Question 871139: Suppose the probability of making a sale on any given telephone call is 0.23. Find the probability that the first sale on any given day will occur on the fourth or fifth sales call. \n" ); document.write( "

Algebra.Com's Answer #525357 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "p(sale) = .23,   n = 5
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document.write( "P(x ≥ 4) = 1 - binomcdf(5, .23, 3) = .0114 \n" );
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