Dr. Threpio has developed a new procedure that he believes can correct a life-threatening medical condition. If the success rate for this procedure is 78%and the procedure is tried on 10 patients, what is the probability that at least 7 of them will show improvement?
Dr. Threpio has developed a new procedure that he believes can correct a life-threatening medical condition. If the success rate for this procedure is 78%and the procedure is tried on 10 patients, what is the probability that at least 7 of them will show improvement?
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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Dr. Threpio has developed a new procedure that he believes can correct a life-threatening medical condition. If the success rate for this procedure is 78%and the procedure is tried on 10 patients, what is the probability that at least 7 of them will show improvement?
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Step 1- Writing given data
Given that
Dr. Threpio has developed a new procedure that he believes can correct a life-threatening medical condition .
Success rate = 78% = 0.78 = P
(1P) = (10.78) = 0.22
The procedure is tried on 10 patients
Sample size (n) = 10
We know that
Binomial probability = P(X=x)=
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