A single, six-sided die is rolled. Find the probability of rolling an even number or a number less than 3.
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Answer:
And we can use the following formula:
And replacing the info we got:
Step-by-step explanation:
We define two events for this case A and B. And we know the probability for each individual event given by the problem:
And we want to find the probability that A and B both occurs if A and B are independent events, who menas the following conditions:
And for this special case we want to find this probability:
And we can use the following formula:
And replacing the info we got:
Since 216 is the cube of 6, 64 is the cube of 4 and x^3 is the cube of x, we have
so the expression is the sum of the cubes of 6x and 4