9_12_11-1 - Probability Mass Function and Cumulative...

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Unformatted text preview: Probability Mass Function and Cumulative Distribution Function Andrew Liu September 12, 2011 Andrew Liu Probability Mass Function and Cumulative Distribution Functio Review: Probability Distribution and Mass Function (Discrete Random Variables) Example Two (balanced) dice are rolled. Let X denote the sum of the two dice. Write out the probability distribution and probability mass function of X . Andrew Liu Probability Mass Function and Cumulative Distribution Functio Review: Probability Distribution and Mass Function (Discrete Random Variables) Example Two (balanced) dice are rolled. Let X denote the sum of the two dice. Write out the probability distribution and probability mass function of X . Probability Distribution of a Discrete Random Variable Range of X = ? Andrew Liu Probability Mass Function and Cumulative Distribution Functio Review: Probability Distribution and Mass Function (Discrete Random Variables) Example Two (balanced) dice are rolled. Let X denote the sum of the two dice. Write out the probability distribution and probability mass function of X . Probability Distribution of a Discrete Random Variable Range of X = ? { 2, 3, 4, . . . , 12 } . P ( X = 2) = Andrew Liu Probability Mass Function and Cumulative Distribution Functio Review: Probability Distribution and Mass Function (Discrete Random Variables) Example Two (balanced) dice are rolled. Let X denote the sum of the two dice. Write out the probability distribution and probability mass function of X . Probability Distribution of a Discrete Random Variable Range of X = ? { 2, 3, 4, . . . , 12 } . P ( X = 2) = P ( { 1 , 1 } ) = 1 6 * 1 6 = 1 36 . P ( X = 3) = Andrew Liu Probability Mass Function and Cumulative Distribution Functio Review: Probability Distribution and Mass Function (Discrete Random Variables) Example Two (balanced) dice are rolled. Let X denote the sum of the two dice. Write out the probability distribution and probability mass function of X . Probability Distribution of a Discrete Random Variable Range of X = ? { 2, 3, 4, . . . , 12 } . P ( X = 2) = P ( { 1 , 1 } ) = 1 6 * 1 6 = 1 36 . P ( X = 3) = P ( { 1 , 2 } ) + P ( { 2 , 1 } ) = 1 36 + 1 36 = 1 18 . P ( X = 4) = Andrew Liu Probability Mass Function and Cumulative Distribution Functio Review: Probability Distribution and Mass Function (Discrete Random Variables) Example Two (balanced) dice are rolled. Let X denote the sum of the two dice. Write out the probability distribution and probability mass function of X . Probability Distribution of a Discrete Random Variable Range of X = ? { 2, 3, 4, . . . , 12 } . P ( X = 2) = P ( { 1 , 1 } ) = 1 6 * 1 6 = 1 36 . P ( X = 3) = P ( { 1 , 2 } ) + P ( { 2 , 1 } ) = 1 36 + 1 36 = 1 18 ....
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This note was uploaded on 01/28/2012 for the course IE 230 taught by Professor Xangi during the Fall '08 term at Purdue University-West Lafayette.

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9_12_11-1 - Probability Mass Function and Cumulative...

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