Problem 3.018 Verify that the following function is a probability mass function, and determine the requested...

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Problem 3.018 Verify that the following function is a probability mass function, and determine the requested probabilities. f(x) = (21643)(1/6)*, x = {1,2,3} Round your answers to four decimal places (e.g. 98.7654). Is the function a probability mass function? Yes (a) P(X 1) = (b) P(X > 1) = (c) P(2X10) = (d) P(X 1 or X > 1) = Problem 3.018 Verify that the following function is a probability mass function, and determine the requested probabilities. f(x) = (21643)(1/6)*, x = {1,2,3} Round your answers to four decimal places (e.g. 98.7654). Is the function a probability mass function? Yes (a) P(X 1) = (b) P(X > 1) = (c) P(2X10) = (d) P(X 1 or X > 1) =