Question: Q3. (10 points) (a) A random variable X has a mean u = 10, a variance 62 = 4, and an unknown probability distribution. Find

Q3. (10 points) (a) A random variable X has a mean

u = 10, a variance 62 = 4, and an unknown probability

Q3. (10 points) (a) A random variable X has a mean u = 10, a variance 62 = 4, and an unknown probability distribution. Find P(-4

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