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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

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 9PPS
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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
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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