Q3. The probability mass function is given asXP(x)22.533.544.50.070.360.210.190.10.07Find1. P(x≤ 3.8)2. P(x> 3.8)3. E(x) and σ(x).

Q3) The probability mass function is,X22.533.544.5P(x)0.070.360.210.190.10.07

Answered: Q3. The probability mass function is…

College Algebra (MindTap Course List)

12th Edition

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:R. David Gustafson, Jeff Hughes

Chapter8: Sequences, Series, And Probability

Section8.7: Probability

Problem 44E

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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).