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4 votes
1. A die is rolled once. What is the probability of rolling :

(a) 3
(b) 7
(c) an even number
(d) a prime number?​

User Kouak
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1 Answer

4 votes
Assuming this is a 6-sided die:

(a) 1/6 = 0.167 or 16.7 %
(b) zero (numbers on the die are 1-6)
(c) 3/6 = 50% (can be 2, 4, or 6)
(d) 3/6 = 50% (of the numbers you could roll, 2, 3, and 5 are prime)
User Grubhart
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