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Algebra & Trigonometry with Analytic Geometry

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter10: Sequences, Series, And Probability

Section10.8: Probability

Problem 31E

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An insurance company offers its policyholders a number of different premium payment options. For a randomly selected policyholder, let X = the number of months between successive payments. The cdf of X is as follows:
X < 1
1<x< 3
0.31
l0.43
3 Sx< 4
F(x) =
0.46
4 <x < 6
0.80
6Sx< 12
12 <x
(a) What is the pmf of X?
1.
12
P(x)
(b) Using just the cdf, compute P(3 < X S 6) and P(4 S X).
P(3 S XS 6) =
P(4 S X) =

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An insurance company offers its policyholders a number of different premium payment options. For a randomly selected policyholder, let X = the number of months between successive payments.
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