Suppose that T is a random variable with the following probability distribution: T: 3 4 p(t): 0.08 0.32 0.15 0.20 0.25 What is the probability that T is less than, or equal to - 4? a. b. What is the probability that T is greater than or equal to 3? c. What is the expected value of T? d. What is the standard deviation of T?

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A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

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Q: C. The probability that fawn will weigh exactly 3.1 kg is P(x = 3.1) =0 d. The probability that a…

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Q: Let X be a random variable with the following probability distribution: X -2 3 5 f(x) 0.5 0.2 0.3…

A: population mean : μ = E(x)

Q: c)      Determine the standard deviation σ of x

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