The survival rate during a risky surgery for patients is 80%. Suppose ten patients undergo this surgery. (a) Find the probability that at least two people will survive the surgery. (b) What is the expected value and the standard deviation of the number of patients among these ten patients who will survive the surgery. (c) Find the probability that the number of people who will survive this surgery exceeds the mean.
The survival rate during a risky surgery for patients is 80%. Suppose ten patients undergo this surgery. (a) Find the probability that at least two people will survive the surgery. (b) What is the expected value and the standard deviation of the number of patients among these ten patients who will survive the surgery. (c) Find the probability that the number of people who will survive this surgery exceeds the mean.
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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Question
The survival rate during a risky surgery for patients is 80%. Suppose ten
patients undergo this surgery.
(a) Find the probability that at least two people will survive the surgery.
(b) What is the expected value and the standard deviation of the number of patients
among these ten patients who will survive the surgery.
(c) Find the probability that the number of people who will survive this surgery
exceeds the mean.
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