# Question: Time Warner Cable provides television and Internet service to over

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?

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?

## Answer to relevant Questions

A psychologist determined that the number of sessions required to obtain the trust of a new patient is either 1, 2, or 3. Let x be a random variable indicating the number of sessions required to gain the patient’s trust. ...During the period of time that a local university takes phone-in registrations, calls come in at the rate of one every two minutes.a. What is the expected number of calls in one hour?b. What is the probability of three calls ...For unemployed persons in the United States, the average number of months of unemployment at the end of December 2009 was approximately seven months (Bureau of Labor Statistics, January 2010). Suppose the following data are ...In Gallup’s Annual Consumption Habits Poll, telephone interviews were conducted for a random sample of 1014 adults aged 18 and over. One of the questions was, “How many cups of coffee, if any, do you drink on an average ...Phone calls arrive at the rate of 48 per hour at the reservation desk for Regional Airways.a. Compute the probability of receiving three calls in a 5-minute interval of time.b. Compute the probability of receiving exactly 10 ...Post your question