**Unformatted text preview: **random variable x = number of cups of coffee consumed on an average day. Let x = 4 represent four or more cups (a) Develop a probability distribution for x. (Round your answers to three decimal places.) Number of f(x) Cups per Day 0.360 1 0.260 0.190 2 3 0.090 4 or more 0.100 (b) Compute the expected value of x. (Round your answer to three decimal places.) E(x)1.3 (c) Compute the variance of x. (Round your answer to three decimal places.) Var(x) 3.42 X (d) Suppose we are only interested in adults who drink at least one cup of coffee on an average day. For this group, let y the number of cups of coffee consumed on an average day. Compute the expected value of y. (Round your answer to three decimal places.) E(y) = 2...

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- Fall '19