The probability model of the number of dinners that a typical American cooks in a week is as follows:| Number of dinners | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 ||-------------------|-----|-----|-----|------|------|-----|-----|-----|| Probability | 0.05| 0.05| 0.1 | 0.15 | 0.15 | 0.2 | ? | 0.2 |**Question:**Find the probability that a randomly selected person will cook *at most 4* dinners in a week.**Options:**- 0.40- 0.50- 0.35- 0.15

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Answered: 3. The probability model of the number…

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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2. Example. Small companies might be interested in the number of long-distance phone calls their employees make during the peak time of the day. Suppose the average is 20 calls and a small company was selected. What is the probability that the employees of the company make more than 20 long-distance phone calls during the peak time? To predict such a probability what else do you think you need to know?
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3. The probability model of the number of dinners that a typical American cook in a week is as follows. Number of dinners: 2 3 4 Probability: 0.05 0.C5 0.1 0.15 0.15 0.2 0.2 Find the probability that a randomly selected person will cook at most 4 dinners in a week. 1.