Surgery has a success rate of 80% . suppose that the surgery is performed and 3 patients . A)what is the probability the surgery is successful in exactly 2 patients? B)what is the probability of getting success in less than 2 patients? C)on average, how many surgeries we expect to be successful? D)what is the standard deviation of numbers of successful surgeries?
Surgery has a success rate of 80% . suppose that the surgery is performed and 3 patients . A)what is the probability the surgery is successful in exactly 2 patients? B)what is the probability of getting success in less than 2 patients? C)on average, how many surgeries we expect to be successful? D)what is the standard deviation of numbers of successful surgeries?
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section: Chapter Questions
Problem 14T: An unbalanced coin is weighted so that the probability of heads is 0.55. The coin is tossed ten...
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Surgery has a success rate of 80% . suppose that the surgery is performed and 3 patients .
A)what is the probability the surgery is successful in exactly 2 patients?
B)what is the probability of getting success in less than 2 patients?
C)on average, how many surgeries we expect to be successful?
D)what is the standard deviation of numbers of successful surgeries?
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