Assume that the Poisson distribution applies and that the mean number of hurricanes in a certain area is 7.4 per year. a. Find the probability that, in a year, there will be 5 hurricanes. b. In a 55-year period, how many years are expected to have 5 hurrcanes? c. How does the result from part (b) compare to a recent period of 55 years in which 6 years had 5 hurricanes? Does the Poisson distribution work well here? a. The probability is (Round to three decimal places as needed.) b. The expected number of years with 5 hurricanes is (Round to one decimal place as needed.) c. The result from part (b) is | the number of hurricanes in the recent period of 55 years, so the Poisson distribution appear to work well in the given situation.

Assume that the Poisson distribution applies and that the mean number of hurricanes in a certain area is 7.4 per year. a. Find the probability that, in a year, there will be 5 hurricanes. b. In a 55-year period, how many years are expected to have 5 hurrcanes? c. How does the result from part (b) compare to a recent period of 55 years in which 6 years had 5 hurricanes? Does the Poisson distribution work well here? a. The probability is (Round to three decimal places as needed.) b. The expected number of years with 5 hurricanes is (Round to one decimal place as needed.) c. The result from part (b) is | the number of hurricanes in the recent period of 55 years, so the Poisson distribution appear to work well in the given situation.

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Description: Assume that the Poisson distribution applies and that the mean number of hurricanes in a certain area is 7.4 per year.a. Find the probability that, in a year, there will be 5 hurricanes.b. In a 55-year period, how many years are expected to have 5 h

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

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Concept explainers

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.

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Question

Assume that the Poisson distribution applies and that the mean number of hurricanes in a certain area is 7.4 per year.
a. Find the probability that, in a year, there will be 5 hurricanes.
b. In a 55-year period, how many years are expected to have 5 hurricanes?
c. How does the result from part (b) compare to a recent period of 55 years in which 6 years had 5 hurricanes? Does the Poisson distribution work well here?
a. The probability is
(Round to three decimal places as needed.)
b. The expected number of years with 5 hurricanes is
(Round to one decimal place as needed.)
c. The result from part (b) is
the number of hurricanes in the recent period of 55 years, so the Poisson distribution
appear to work well in the given situation.

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