4. Suppose the variance of X is 2.0091. Which of the following is(are) TRUE? L In the long run, the number of calls received by the switchboard operator within one hour interval deviates from the mean by 2.0091, on the average. IL. In the long run, the number of calls received by the switchboard operator within one hour interval deviates from the mean by 1.4174, on the average. O Al only O B.II only OC. Both l and II O D. NeitherI nor I
4. Suppose the variance of X is 2.0091. Which of the following is(are) TRUE? L In the long run, the number of calls received by the switchboard operator within one hour interval deviates from the mean by 2.0091, on the average. IL. In the long run, the number of calls received by the switchboard operator within one hour interval deviates from the mean by 1.4174, on the average. O Al only O B.II only OC. Both l and II O D. NeitherI nor I
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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4
![For numbers 2 to 4: Below is the probability distribution of the number of calls
received by a switchboard operator within a one-hour interval, X.
X-x
0 1
4
6.
PIX=x]
0.13
0.27
0.27
0.18
0.04
0.02
4. Suppose the variance of X is 2.0091. Which of the following is(are) TRUE?
L In the long run, the number of calls received by the switchboard operator
within one hour interval deviates from the mean by 2.0091, on the average.
II. In the long run, the number of calls received by the switchboard operator
within one hour interval deviates from the mean by 1.4174, on the average.
O Alonly
O B.Il only
OC Both I and I
O D. NeitherI nor II](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F191cc368-b07f-470c-a746-6afb29117e24%2F04138168-a092-4aa9-bbbf-feb8e05b5abd%2Fr8zwn4a_processed.jpeg&w=3840&q=75)
Transcribed Image Text:For numbers 2 to 4: Below is the probability distribution of the number of calls
received by a switchboard operator within a one-hour interval, X.
X-x
0 1
4
6.
PIX=x]
0.13
0.27
0.27
0.18
0.04
0.02
4. Suppose the variance of X is 2.0091. Which of the following is(are) TRUE?
L In the long run, the number of calls received by the switchboard operator
within one hour interval deviates from the mean by 2.0091, on the average.
II. In the long run, the number of calls received by the switchboard operator
within one hour interval deviates from the mean by 1.4174, on the average.
O Alonly
O B.Il only
OC Both I and I
O D. NeitherI nor II
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