Questions 4-7: The discrete random variable X has the following probability mass function -4 1 12 3 F(x) 0.7 0.1 0.1 0. 1 4. What
Questions 4-7: The discrete random variable X has the following probability mass function -4 1 12 3 F(x) 0.7 0.1 0.1 0. 1 4. What is the probability that X is less than -0.4? O 0.5 O 0.3 O 0.7 O 0.9 O 0.2 5. What is the probability that -4
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