3.) The number of inquiries received per day by the Office of Admissions in a certain university is shown below. Find the mean, variance and standard deviation of the number of inquiries. Let X be the number of inquiries received per day. (X) P(X) X.P(X) X².P(X) Mean: Variance: 22 0.08 Standard Deviation: 23 0.19 24 0.36 25 0.25 26 0.07 27 0.05

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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3.) The number of inquiries received per day by the Office of Admissions in a certain university is shown
below. Find the mean, variance and standard deviation of the number of inquiries. Let X be the number
of inquiries received per day.
(X)
P(X)
X.P(X)
X².P(X)
Mean:
Variance:
22
0.08
Standard Deviation:
23
0.19
24
0.36
25
0.25
26
0.07
27
0.05
Transcribed Image Text:3.) The number of inquiries received per day by the Office of Admissions in a certain university is shown below. Find the mean, variance and standard deviation of the number of inquiries. Let X be the number of inquiries received per day. (X) P(X) X.P(X) X².P(X) Mean: Variance: 22 0.08 Standard Deviation: 23 0.19 24 0.36 25 0.25 26 0.07 27 0.05
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