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Statistics / Fundamentals of Statistics 4 / Chapter 6.1 / Problem 21AYU

Fundamentals of Statistics | 4th Edition | ISBN: 9780321838704 | Authors: Michael Sullivan,III

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(a) construct a discrete probability

Chapter 11, Problem 21AYU

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QUESTION:

(a) construct a discrete probability distribution for the random variable X \([Hint:P(x_i)=\frac{f_i}{N}]\), (b) draw the probability histogram, (c) compute and interpret the mean of the random variable X, and (d) compute the standard deviation of the random variable X.

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

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QUESTION:

(a) construct a discrete probability distribution for the random variable X \([Hint:P(x_i)=\frac{f_i}{N}]\), (b) draw the probability histogram, (c) compute and interpret the mean of the random variable X, and (d) compute the standard deviation of the random variable X.

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

ANSWER:

Step 1 of 5

Approach : to construct the discrete probability distribution by using relative frequency.

That means $P({x}_{i})$ = $\frac{{f}_{i}\ \ }{N}$

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