Question

Time Warner Cable provides television and Internet service to over 15 million people (Time Warner Cable website, October 24, 2012). Suppose that the management of Time Warner Cable subjectively assesses a probability distribution for the number of new subscribers next year in the state of New York as follows.
X f(x)
100,000 .......... .10
200,000 .......... .20
300,000 .......... .25
400,000 .......... .30
500,000 .......... .10
600,000 .......... .05
a. Is this probability distribution valid? Explain.
b. What is the probability Time Warner will obtain more than 400,000 new subscribers?
c. What is the probability Time Warner will obtain fewer than 200,000 new subscribers?



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  • CreatedFebruary 16, 2015
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