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postnew [5]
3 years ago
11

Sarah rolls a die twice. What is the probability that she rolls a 3 and then an even number?

Mathematics
2 answers:
NISA [10]3 years ago
8 0

Answer:

a:1/12

Step-by-step explanation:

The odds of a 3 is 1/6. The odds of an even is 1/2. 1/2*1/6=1/12. The answer is a:1/12

vekshin13 years ago
6 0

Answer:

A) 1/12

Step-by-step explanation:

The sample space of rolling a die is { 1,2,3,4,5,6}

P (getting 3)= The number of "3"'s  in the sample space over the number of items in the sample space

P (getting a 3} = 1/6

P (getting  even)= The number of evens  in the sample space over the number of items in the sample space

P (getting an even} = 3/6= 1/2

Since these are independent events, we multiply the probabilities

P(3, even) = 1/6 * 1/2 = 1/12

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