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Question

An unbiased dice with faces 1,2,3,4,5 and 6 is round 4 times. Out of four face values obtained the probability that the minimum face value obtained the probability that the minimum face value is not less than 2 and the maximum face value is not greater than 5 is

A
1681
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B
181
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C
8081
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D
6581
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Solution

The correct option is B 1681
In a single throw the favorable points are 2,3,4 and 5 whose number is 4.
All possible outcomes are 6
P= Probability that in a single throw the minimum face value is not less than 2 and the maximum face value is not greater than 5=46=23
Since the dice is rolled four times and all the four throws are independent events therefore the required probability =(23)4=1681

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