The following data represent the number of games played in each World Series from 1923 to 2010.

Question:

(a) Construct a discrete probability distribution for the random variable X,

(b) Draw the probability histogram,

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

x (games played) ...Frequency

4 ...........17

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

6 ...........19

7 ...........33

Distribution
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