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A city fire department has three fire trucks that operates independently. The probability that a specific truck is ready when needed is 0.82. What is the probability that at most 2 trucks are available when needed? 0.45 0.44 0.91 None of the choices

A city fire department has three fire trucks that operates independently. The probability that a specific truck is ready when needed is 0.82. What is the probability that at most 2 trucks are available when needed? 0.45 0.44 0.91 None of the choices

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
Problem 1P
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A city fire department has three fire trucks that operates independently. The probability that a specific truck is ready when needed is 0.82. What is the probability that at most 2 trucks are available when needed? 0.45 0.44 0.91 None of the choices
Transcribed Image Text:A city fire department has three fire trucks that operates independently. The probability that a specific truck is ready when needed is 0.82. What is the probability that at most 2 trucks are available when needed? 0.45 0.44 0.91 None of the choices
A Korean investment company is considering a Doll manufacturing business in the Philippines. They believe that Doll industry's average return on investment (ROI) is more than 40%. A random sample of 12 Doll manufacturing companies showed a mean ROI of 40.85% with a standard deviation of 25.3%. State the claim. H = 40% H > 40% H < 40% H < 40%
Transcribed Image Text:A Korean investment company is considering a Doll manufacturing business in the Philippines. They believe that Doll industry's average return on investment (ROI) is more than 40%. A random sample of 12 Doll manufacturing companies showed a mean ROI of 40.85% with a standard deviation of 25.3%. State the claim. H = 40% H > 40% H < 40% H < 40%
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