<PRE><B>Question 658345</B>
A surgical technique with 0.70 chance of success is performed on seven patients. find the probability that the surgery is successful for 
(a) P(exactly five patients) = 7C5(0.7)^5(0.3)^2 = binompdf(7,0.7,5) = 0.3177
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(b) P(at least five patients) = 1 - binomcdf(7,0.7,4) = 0.6471
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(c) P(less than five patients) = binomcdf(7,0.7,4) = 0.3529
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Cheers,
Stan H.  

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