The following data represent the number of games played in each World Series from 1923 to 2014.

Question:

x (games played) Frequency

4.............................................18

5.............................................18

6.............................................20

7.............................................35

(a) Construct a discrete probability distribution for the random variable X [P(xi) = fi / N],

(b) Draw a graph of the probability distribution,

(d) Compute the standard deviation of the random variable X.

Distribution
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