4. Suppose the variance of X is 2.0091. Which of the following is(are) TRUE? I. 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 A. I only
4. Suppose the variance of X is 2.0091. Which of the following is(are) TRUE? I. 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 A. I only
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.CR: Chapter 13 Review
Problem 9CR
Related questions
Question
![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
1
2
3
4
5
6
P[X = 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?
I. 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.
A. I only
B. Il only
O C. Both I and II
O D. Neither I nor II](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7696dc10-6936-498f-9ff5-cca7106e5e3d%2F6844fde2-a370-46f4-b034-6e36d79ee37c%2Fqdcvafr_processed.png&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
1
2
3
4
5
6
P[X = 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?
I. 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.
A. I only
B. Il only
O C. Both I and II
O D. Neither I nor II
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