1. The mean of the exponential distribution is. . . 1 a. b. C.え d.え? 2. The variance of the exponential distribution is 1 - a. b. c.え d. 3. A conversation follows an exponential distribution, f(x) = 1e Find the probability that the conversation will be more than 5 minutes. ー入と %3D a) with a mean time of 3 minutes. 1 e a. 3. b. e15 C. E d. 3 1/2 1/3
1. The mean of the exponential distribution is. . . 1 a. b. C.え d.え? 2. The variance of the exponential distribution is 1 - a. b. c.え d. 3. A conversation follows an exponential distribution, f(x) = 1e Find the probability that the conversation will be more than 5 minutes. ー入と %3D a) with a mean time of 3 minutes. 1 e a. 3. b. e15 C. E d. 3 1/2 1/3
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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ANSWER 3 ONLY A AND B
Transcribed Image Text:1. The mean of the exponential distribution is
1
a.
b.
c. 2
d. 22
2.
The variance of the exponential distribution is . . .
1
a.
b.
c. A
d. 22
3. A conversation follows an exponential distribution, f (x) = eat
a) Find the probability that the conversation will be more than 5 minutes.
with a mean time of 3 minutes.
1
3
-5
a.
els
3
b.
C. e
d.
3.
Transcribed Image Text:b) Find the probability that the conversation will be less than 5 minutes.
|
a.
b. 1-e-15
1es
3.
c. 1-e 3
d.
113
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