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In analyzing hits by bombs in a past war, a city was subdivided into 455 regions, each with an area of 0.25-mi². A total of 345 bombs hit the combined area of 455 regions. The Poisson distribution applies because we are dealing with the occurrences of an event (bomb hits) over some interval (a region with area of 0.25-mi². Find the mean number of hits per region: mean = Find the standard deviation of hits per region: standard deviation = If a region is randomly selected, find the probability that it was hit exactly twice. (Report answer accurate to 4 decimal places.) P(X = 2) =

In analyzing hits by bombs in a past war, a city was subdivided into 455 regions, each with an area of 0.25-mi². A total of 345 bombs hit the combined area of 455 regions. The Poisson distribution applies because we are dealing with the occurrences of an event (bomb hits) over some interval (a region with area of 0.25-mi². Find the mean number of hits per region: mean = Find the standard deviation of hits per region: standard deviation = If a region is randomly selected, find the probability that it was hit exactly twice. (Report answer accurate to 4 decimal places.) P(X = 2) =

MATLAB: An Introduction with Applications
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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In analyzing hits by bombs in a past war, a city was subdivided into 455 regions, each with an area of 0.25-mi². A total of 345 bombs hit the combined area of 455 regions. The Poisson distribution applies because we are dealing with the occurrences of an event (bomb hits) over some interval (a region with area of 0.25-mi². Find the mean number of hits per region: mean = Find the standard deviation of hits per region: standard deviation = If a region is randomly selected, find the probability that it was hit exactly twice. (Report answer accurate to 4 decimal places.) P(X = 2) = Based on the probability found above, how many of the 455 regions are expected to be hit exactly twice? (Round answer to a whole number.) ans = If a region is randomly selected, find the probability that it was hit at most twice. (Report answer accurate to 4 decimal places.) P(X ≤ 2) =
Transcribed Image Text:In analyzing hits by bombs in a past war, a city was subdivided into 455 regions, each with an area of 0.25-mi². A total of 345 bombs hit the combined area of 455 regions. The Poisson distribution applies because we are dealing with the occurrences of an event (bomb hits) over some interval (a region with area of 0.25-mi². Find the mean number of hits per region: mean = Find the standard deviation of hits per region: standard deviation = If a region is randomly selected, find the probability that it was hit exactly twice. (Report answer accurate to 4 decimal places.) P(X = 2) = Based on the probability found above, how many of the 455 regions are expected to be hit exactly twice? (Round answer to a whole number.) ans = If a region is randomly selected, find the probability that it was hit at most twice. (Report answer accurate to 4 decimal places.) P(X ≤ 2) =
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