Spectrum provides cable television and internet service to millions of customers. Suppose that the management of Spectrum 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 0.10 200,000 0.20 300,000 0.25 400,000 0.30 500,000 0.10 600,000 0.05 (a) Is this probability distribution valid? Explain. This probability distribution ---Select--- is is not valid because ---Select--- −1 ≤ f(x) ≤ 1 f(x) ≤ 0 0 ≤ x ≤ 1 f(x) ≥ 0 for x = 100,000, 200,000, 300,000, 400,000, 500,000, 600,000. Also, f(x) = . (b) What is the probability Spectrum will obtain more than 400,000 new subscribers? (c) What is the probability Spectrum will obtain fewer than 200,000 new subscribers?
Spectrum provides cable television and internet service to millions of customers. Suppose that the management of Spectrum 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 0.10 200,000 0.20 300,000 0.25 400,000 0.30 500,000 0.10 600,000 0.05 (a) Is this probability distribution valid? Explain. This probability distribution ---Select--- is is not valid because ---Select--- −1 ≤ f(x) ≤ 1 f(x) ≤ 0 0 ≤ x ≤ 1 f(x) ≥ 0 for x = 100,000, 200,000, 300,000, 400,000, 500,000, 600,000. Also, f(x) = . (b) What is the probability Spectrum will obtain more than 400,000 new subscribers? (c) What is the probability Spectrum will obtain fewer than 200,000 new subscribers?
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 50E: Flexible Work Hours In a recent survey, people were asked whether they would prefer to work flexible...
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Question
Spectrum provides cable television and internet service to millions of customers. Suppose that the management of Spectrum 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 | 0.10 |
200,000 | 0.20 |
300,000 | 0.25 |
400,000 | 0.30 |
500,000 | 0.10 |
600,000 | 0.05 |
(a)
Is this probability distribution valid? Explain.
This probability distribution ---Select--- is is not valid because ---Select--- −1 ≤ f(x) ≤ 1 f(x) ≤ 0 0 ≤ x ≤ 1 f(x) ≥ 0 for
f(x) = .
x = 100,000, 200,000, 300,000, 400,000, 500,000, 600,000.
Also,
(b)
What is the probability Spectrum will obtain more than 400,000 new subscribers?
(c)
What is the probability Spectrum will obtain fewer than 200,000 new subscribers?
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