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.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 22PFA
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