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Solution - The probability mass function for X = number of major defects in a randomly selected appliance of a certain type is - Variance of Binomial Distribution (P.M.F.)

Question

The probability mass function for X = number of major defects in a randomly selected
appliance of a certain type is 

X = x 0 1 2 3 4
P(X = x) 0.08 0.15 0.45 0.27 0.05

Find the expected value and variance of X.

Solution

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APPEARS IN

2016-2017 (July)
Question 5.1.2 | 3 marks
2015-2016 (July)
Question 5.2.2 | 4 marks
Solution for question: The probability mass function for X = number of major defects in a randomly selected appliance of a certain type is concept: Variance of Binomial Distribution (P.M.F.). For the courses HSC Arts, HSC Science (Computer Science), HSC Science (Electronics), HSC Science (General)
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