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4.45 Consider the probability distributions shown here: x 0 1 p(x) .3 .4 23 y 0 1 21 p(y) .1 .8 .1 a. Use your intuition to find the mean for each distribu- tion. How did you arrive at your choice? b. Which distribution appears to be more variable? Why? c. Calculate μ and 2 for each distribution. Compare these answers with your answers in parts a and b.

4.45 Consider the probability distributions shown here: x 0 1 p(x) .3 .4 23 y 0 1 21 p(y) .1 .8 .1 a. Use your intuition to find the mean for each distribu- tion. How did you arrive at your choice? b. Which distribution appears to be more variable? Why? c. Calculate μ and 2 for each distribution. Compare these answers with your answers in parts a and b.

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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4.45 Consider the probability distributions shown here: x 0 1 p(x) .3 .4 23 y 0 1 21 p(y) .1 .8 .1 a. Use your intuition to find the mean for each distribu- tion. How did you arrive at your choice? b. Which distribution appears to be more variable? Why? c. Calculate μ and 2 for each distribution. Compare these answers with your answers in parts a and b.
Transcribed Image Text:4.45 Consider the probability distributions shown here: x 0 1 p(x) .3 .4 23 y 0 1 21 p(y) .1 .8 .1 a. Use your intuition to find the mean for each distribu- tion. How did you arrive at your choice? b. Which distribution appears to be more variable? Why? c. Calculate μ and 2 for each distribution. Compare these answers with your answers in parts a and b.
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