Understand Compound Event Probability
Middle School Math · Flashcards · Application
MIDDLE SCHOOL MATH · FLASHCARDS
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QUESTION
A bag has
3
3
3
red and
2
2
2
blue marbles. Draw one marble. What is
P
(
blue
)
P(\text{blue})
P
(
blue
)
?
QUESTION
What is
P
(
even then odd
)
P(\text{even then odd})
P
(
even then odd
)
when rolling a fair die twice?
QUESTION
What is
P
(
sum is
7
)
P(\text{sum is }7)
P
(
sum is
7
)
when rolling two fair six-sided dice?
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ANSWER
6
36
=
1
6
\frac{6}{36}=\frac{1}{6}
36
6
=
6
1
. 6 ways to get sum 7: (1,6),(2,5),(3,4),(4,3),(5,2),(6,1) out of 36.
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