Answered: In Hawaii shark attacks are very rare.…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Transcribed Image Text:In Hawaii shark attacks are very rare. Furthermore, about 55% of all shark attacks are serious, but not fatal.t You are scheduled to give a talk at a local scuba club in Honolulu and want to include a brief statistical profile regarding the most recent six shark attacks, all of which were nonfatal. Let r be the number of nonfatal attacks out of a random sample of six shark attacks. (a) Make a histogram for the probability distribution of r. 0.35 0.35 0.30 0.30 0.25 0.25 3 0.20 * 0.20 0.15 0.15 0.10 0.10 0.05 0.05 3 6. 2 4 0.35 0.35 0.30 0.30 0.25 0.25 0.20 0.20 0.15 0.10 0.10 0.05 0.05 3 6. 3 6. (b) What is the probability all six shark attacks are nonfatal? (Round your answer to three decimal places.) (c) What is the probability that three or more of the six shark attacks are nonfatal? (Round your answer to three decimal places.) (d) What is the expected number of nonfatal shark attacks out of the six? What is the standard deviation of the r-probability distribution? (Round your answer to three decimal places.) (4)d

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