What is the probability that the antidote will be effective on at least 5 people? b) Calculate the probability that less than a third of the people will survive the fire due to the application of the antidote. c) What is the probability that cash beats exactly 7 people?

What is the probability that the antidote will be effective on at least 5 people? b) Calculate the probability that less than a third of the people will survive the fire due to the application of the antidote. c) What is the probability that cash beats exactly 7 people?

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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Question

The antidote called hydroxocobalamin, which is used to treat fire smoke poisoning, has a two-thirds probability of effectiveness. This antidote was applied to 9 intoxicated people who were rescued from a burning building.
a) What is the probability that the antidote will be effective on at least 5 people?
b) Calculate the probability that less than a third of the people will survive the fire due to the application of the antidote.
c) What is the probability that cash beats exactly 7 people?

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