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3 November, 18:28

A penny and a nickel are tossed. Both are fair coins. Let X = 1 if the penny comes up heads, and let X = 0 otherwise. Let Y = 1 if the nickel comes up heads, and let Y = 0 otherwise. Let Z = 1 if both the penny and nickel come up heads, and let Z = 0 otherwise. Are X and Y independent?

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  1. 3 November, 18:37
    0
    Yes

    Step-by-step explanation:

    The coins are independent

    X is based on only penny

    Y is based on only nickel

    Z is dependent on X and Y, but X and Y don't depend on each other
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