the probability mass function of a discrete random variable X representing the number of bicycles available at a docking station each morning was introduced. This p.m.f. is repeated here, in Table 2. Table 2 The p.m.f. of X 2 3 4 5 6. p(x) 0.3 0.2 0.2 0.1 0.1 0.05 0.05 (i) What is the mean number of bicycles available at the docking station each morning?
the probability mass function of a discrete random variable X representing the number of bicycles available at a docking station each morning was introduced. This p.m.f. is repeated here, in Table 2. Table 2 The p.m.f. of X 2 3 4 5 6. p(x) 0.3 0.2 0.2 0.1 0.1 0.05 0.05 (i) What is the mean number of bicycles available at the docking station each morning?
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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Transcribed Image Text:the probability mass function of a discrete
random variable X representing the number of bicycles available at a
docking station each morning was introduced. This p.m.f. is repeated
here, in Table 2.
Table 2 The p.m.f. of X
2
3
4 5
p(x)
0.3 0.2
0.2
0.1
0.1
0.05
0.05
(i) What is the mean number of bicycles available at the docking
station each morning?
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