1
Chapter 6 Homework
Due: Tue Oct 4
[Over 57 points]
NAME: ___________________________________
601. [Chapter 6; 12 points] (Definitions)
(a)
[2 p.
] What is a “continuous” variable?
(b)
[2 p.] What is a continuous probability distribution?
Given some unspecified probability distribution whose PDF is f(x) and whose
CDF is F(x), for values of x
≥
0.
(c)
[2 p.] What is the probability that x = 3.14159?
(d)
[2 p.] What is the probability that x = 3.14159?
(e)
[2 p.] What is the probability that x will be somewhere between 7
and 8? Explain in general how we could use the PDF to find the
answer [though
you don’t have enough info to find a specific
answer].
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(f)
[2 p.] Explain how you would use the CDF to find the answer.
602. [Chapter 6; 12 points] (Continuous Uniform probability)
We have a continuous Uniform probability distribution for values of x
between 3 and 13 (that is, the sample space is the interval [3,13].)
(a)
[3 p.] What is the probability that a randomly drawn x will fall
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 Spring '09
 Business, Normal Distribution, Probability, 1 Hour, 1.8m, 1.5m, 2.1m

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