Q3. The probability mass function is given as X P(x) 2 2.5 3 3.5 4 4.5 0.07 0.36 0.21 0.19 0.1 0.07 Find 1. P(x≤ 3.8) 2. P(x> 3.8) 3. E(x) and σ(x).

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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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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Q3. The probability mass function is given as
X
P(x)
2
2.5
3
3.5
4
4.5
0.07
0.36
0.21
0.19
0.1
0.07
Find
1. P(x≤ 3.8)
2. P(x> 3.8)
3. E(x) and σ(x).
Transcribed Image Text:Q3. The probability mass function is given as X P(x) 2 2.5 3 3.5 4 4.5 0.07 0.36 0.21 0.19 0.1 0.07 Find 1. P(x≤ 3.8) 2. P(x> 3.8) 3. E(x) and σ(x).
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