Find the mean of this probability distribution


In a population of students, the number of calculators owned is a random variable X with  P(X=0) =0.2, P(X=1) = 0.6 and P(X=2) = 0.2

Find the mean of this probability distribution
Find the variance of this probability distribution
Find the standard deviation of this probability distribution

 

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Basic Statistics: Find the mean of this probability distribution
Reference No:- TGS0121592

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