Question: 4. Z is a discrete random variable with probability mass function 24 P(@)= 196 for z = -3, -2, -1, 1, 2, 3 and p(z)

4. Z is a discrete random variable with probability mass function

4. Z is a discrete random variable with probability mass function 24 P(@)= 196 for z = -3, -2, -1, 1, 2, 3 and p(z) = 0 otherwise. pts (a) Let A be the event where Z is negative. Calculate P(A). pts (b) Let B be the event where the absolute value of Z is less than or equal to 2, |Z| $ 2. Calculate P(B)

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