3. The number of inquiries received per day by the Office of Admissions ina certain university is shown below. Find the mean, variance and standard deviation. Number of 22 23 24 25 26 27 Inquiries (X) Probability P(X) X.P(X) X2 . P(X) 0.08 0.19 0.36 0.25 0.07 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.
Number of
22
23
24
25
26
27
Inquiries (X)
Probability
P(X)
X. P(X)
X2 . P(X)
0.08
0.19
0.36
0.25
0.07
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. Number of 22 23 24 25 26 27 Inquiries (X) Probability P(X) X. P(X) X2 . P(X) 0.08 0.19 0.36 0.25 0.07 0.05
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