6. An urn contains four balls numbered 5, 6, 8, and 9. If two balls are drawn from the urn (that is, each pair has the same chance of being selected) without replacement and Z is the sum of the numbers on the two balls drawn, find the probability distribution Z.

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A: Explanation and solutions is given below.....

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A: In this question, we have to explain the two types of finite differences.

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A:

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A:

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A: 514+16=15+742

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A: Given that the expression is

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A:

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A:

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A: Topic:- simplification

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A:

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A: Solution: The objective is to find the value of the given expression

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A:

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A:

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A:

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A: -83

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A: Please see the answer below.

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