A branch of a certain bank has six ATMS. Let X represent the number of machines in use at a particular time of day. The cdf of X is as follows: (o 0.03 0sx< 1 0.24 1sx < 2 10.32 2 s x< 3 x<0 F(x) = 0.54 3Sx< 4 0.90 4 sx < 5 0.95 5sx < 6 1 6 SX Calculate the following probabilities directly from the cdf: (a) p(2), that is, Px = 2) (b) P(X > 3) (c) P(2 s xS 5) (d) P(2 < x < 5)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.3: The Natural Exponential Function
Problem 51E
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A branch of a certain bank has six ATMS. Let X represent the number of
machines in use at a particular time of day. The cdf of X is as follows:
fo
0.03 0sx<1
0.24 1sx < 2
0.32 2 sx < 3
0.54 3 sx < 4
0.90 4 sx< 5
F(x) =
0.95 5 sx < 6
1
6 SX
Calculate the following probabilities directly from the cdf:
(a) p(2), that is, PX = 2)
(b) P(X > 3)
(c)
P(2 s x S 5)
(d)
P(2 < X < 5)
Transcribed Image Text:A branch of a certain bank has six ATMS. Let X represent the number of machines in use at a particular time of day. The cdf of X is as follows: fo 0.03 0sx<1 0.24 1sx < 2 0.32 2 sx < 3 0.54 3 sx < 4 0.90 4 sx< 5 F(x) = 0.95 5 sx < 6 1 6 SX Calculate the following probabilities directly from the cdf: (a) p(2), that is, PX = 2) (b) P(X > 3) (c) P(2 s x S 5) (d) P(2 < X < 5)
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