# Question: A random variable has possible values of 20 21 22

A random variable has possible values of 20, 21, 22, 23, and 24 that are equally likely to occur.

a) What is the probability that the random variable is less than 23?

b) What is the mean of the random variable?

c) What is the standard deviation of the random variable?

a) What is the probability that the random variable is less than 23?

b) What is the mean of the random variable?

c) What is the standard deviation of the random variable?

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