Exercise 3.3 Suppose that the probability density function of X is f (x) = 3x, 0, 0 2/3). Engr. A. CUH-ING Exercise 3.4 In Exercise 3.3, the probability density function of X is s00 -. f (x) = ] 3x2, 0, 0
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- The life (in years) of a laptop battery has a probability density function defined by P(x)=12e−x/2P(x)=12e-x/2for x in [0,∞)[0,∞). Find the probability that a randomly selected laptop battery will last between 3 and 8 years?Show that the standard normal probability density function f(x) has points of inflection when x = ±1.Suppose the random variable Y has an exponential distribution with mean 2. Use the method of transformations to find the density function of U=(1/5)Y+3
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