In Thunder Bay, during the month of June, afternoon thunderstorm rainfall frequently occurs. Based on the assumption that in Thunder Bay, there is a 20% chance of occurrence of a thunderstorm rainfall on any day of the month of June, compute the probability of having 5 days free of thunderstorm rainfall in Thunder Bay. What is the probability of one rainy day during the 5 days? What is the probability that a 5-year flood will occur three times in a period of 10 years? What is the probability that it will occur at all? How many floods of this magnitude will occur, on average, during the 10 years?

In Thunder Bay, during the month of June, afternoon thunderstorm rainfall frequently occurs. Based on the assumption that in Thunder Bay, there is a 20% chance of occurrence of a thunderstorm rainfall on any day of the month of June, compute the probability of having 5 days free of thunderstorm rainfall in Thunder Bay. What is the probability of one rainy day during the 5 days? What is the probability that a 5-year flood will occur three times in a period of 10 years? What is the probability that it will occur at all? How many floods of this magnitude will occur, on average, during the 10 years?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.8: Probabilities Of Disjoint And Overlapping Events

Problem 2C

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Question

What is the probability that a 5-year flood will occur three times in a period of 10 years? What is the probability that it will occur at all? How many floods of this magnitude will occur, on average, during the 10 years?

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