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The Stanley Cup is a best of seven series to determine the

The Stanley Cup is a best-of-seven series to determine the champion of the National Hockey League. The following data represent the number of games played, X, in the Stanley Cup before a champion was determined from 1939 to 2011.

x .... Frequency

4 .... 20

5 .... 17

6 .... 19

7 .... 16

(a) Construct a probability model for the random variable X, the number of games in the Stanley Cup.

(b) Draw a probability histogram.

(c) Compute and interpret the mean of the random variable X.

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

x .... Frequency

4 .... 20

5 .... 17

6 .... 19

7 .... 16

(a) Construct a probability model for the random variable X, the number of games in the Stanley Cup.

(b) Draw a probability histogram.

(c) Compute and interpret the mean of the random variable X.

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

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