SOLUTION: A surgical technique is performed on seven patients. You are told there is a 70% chance of success. Find the probability that the surgery is successful for
a.) exactly five patie
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Question 363429: A surgical technique is performed on seven patients. You are told there is a 70% chance of success. Find the probability that the surgery is successful for
a.) exactly five patients
b.) at least five patients
c.) less than five patients
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
Let x=.7 and y=.3
(x+y)^7=x^7+7x^6y+21x^5y^2+...
.
a)21x^5y^2=.3177
.
b)x^7+7x^6y+21x^5y^2=.6471
.
c) 1-.6471=.3529
.
Ed
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