MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Dr. Wilson is considering investing a fixed sum of money in each of three business ventures. Assume that the probability distribution for the number of successful ventures out of three is as follows:

 

 

                              X                            P(X)

 

  •                    0                               .022
  •                     1                               .194
  •                    2                                .434
  •                    3                                .350

 

What is the expected value for the number of successful ventures?

What is the standard deviation for the number of successful ventures?

What is the probability that Dr. Wilson will enjoy at least two successful ventures?

What is the probability that Dr. Wilson will enjoy no successful ventures? 

 

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