27. The probability that a type of antibiotics can cure a certain disease is 0.95. a. If five patients are given the antibiotics, find the probability that i. exactly three patients are cured after finishing the course of antibiotics. ii. at least one patient is cured after finishing the course of antibiotics. b. If 500 patients are given the antibiotics, find the i. probability that more than 480 patients are cured. ii. largest possible value n such that the probability that at least n patients recovered atter finishing the course of antibiotics is 0.9.
27. The probability that a type of antibiotics can cure a certain disease is 0.95. a. If five patients are given the antibiotics, find the probability that i. exactly three patients are cured after finishing the course of antibiotics. ii. at least one patient is cured after finishing the course of antibiotics. b. If 500 patients are given the antibiotics, find the i. probability that more than 480 patients are cured. ii. largest possible value n such that the probability that at least n patients recovered atter finishing the course of antibiotics is 0.9.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Q27 part B(ii)
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Transcribed Image Text:27. The probability that a type of antibiotics can cure a certain disease is 0.95.
a. If five patients are given the antibiotics, find the probability that
i. exactly three patients are cured after finishing the course of antibiotics.
ii. at least one patient is cured after finishing the course of antibiotics.
b. If 500 patients are given the antibiotics, find the
i. probability that more than 480 patients are cured.
ii. largest possible value n such that the probability that at least n patients recovered atter
finishing the course of antibiotics is 0.9.
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