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A random variable X takes the values 1, 2, 3 and 4 with… | StemPy Lab

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A random variable X takes the values 1, 2, 3 and 4 with probabilities 0.15, 0.35, k and 0.25 in that order. What is the mean of X?

MathematicsEasyHigh School (11–12)Statistics and Probability › Random Variables and Probability Distributions AP A-Level IB

Created by StemPy Lab

A random variable $X$ takes the values $1$ , $2$ , $3$ and $4$ with probabilities $0.15$ , $0.35$ , $k$ and $0.25$ in that order. What is the mean of $X$ ?

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