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A boy rolled a die once. If an even number appear on that die, then the number of chocolates the boy gets is equal to two more than the number appeared. If an odd number appear on that die, then the number chocolates he gets is equal to three more then the number appeared. If a random variable X represents the number of chocolates the boy receive, then the range of X is

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{4, 6, 8}

{3, 5, 7}

{3, 4, 7}

{2, 3}

answer is A.

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Detailed Solution

Let the number appeared on the dice be 2, 4, 6

The number of Chocolates the boy gets is (4, 6, 8)

Let the number appeared on the dice be 1, 3, 5

The number of Chocolates the boy gets is (4, 6, 8)

$∴$ The range of X is { 4, 6, 8 }

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