2. Results of a study conducted to determine the water consumptions in number of cubic meters of households in a subdivision along with the corresponding probabilities are show below. Find the mean, variance and standard deviation. Number of 48 50 52 54 56 cubic meters (X) Probability P(X) 0.25 0.30 0.18 0.15 0.12

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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2. Results of a study conducted to determine the water consumptions in number of
cubic meters of households in a subdivision along with the corresponding
probabilities are show below. Find the mean, variance and standard deviation.
Number of
48
50
52
54
56
cubic meters
|(X).
Probability P(X)
0.25
0.30
0.18
0.15
0.12
Transcribed Image Text:2. Results of a study conducted to determine the water consumptions in number of cubic meters of households in a subdivision along with the corresponding probabilities are show below. Find the mean, variance and standard deviation. Number of 48 50 52 54 56 cubic meters |(X). Probability P(X) 0.25 0.30 0.18 0.15 0.12
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