document.write( "Question 852777: A study determined that 7% of persons 65 to 74 have a certain symptom. A group of 19 persons age 65 to 74 get selected random . Find the probability that at least 2 persons have the symptom . What is the probability that at least 2 persons 65 to 74 have the symptom is ?? \n" ); document.write( "

Algebra.Com's Answer #513654 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "p = .07, n = 19
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document.write( "Using TI ****(highly recommended for cumulative probabilities
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document.write( "P(x ≥ 2) = 1 – binomcdf(19, .07, 1)
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document.write( "Or
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document.write( "Using  
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document.write( "P(x ≥ 2)= 1 -P(0) - P(1)= 1 - .93^19 - 19(.07)^1(.93)^18 \n" );
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