B - 1/4 = 3 1/2 find the variable and explain how to got the answer please thanks
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Given:
Nancy decides to roll a dice three times.
To find:
The probability that she will roll all even numbers.
Solution:
If a dice is rolled, then the possible numbers are
Total number = {1,2,3,4,5,6} = 6
Even numbers = {2,4,6} = 3
Odd numbers = {1,3,5} = 3
Probability of getting an even number
So, probability of getting all even numbers is
Therefore, the required probability is .