Probability: Union and Intersections

Front

What is the probability of selecting one green marble from Bag A and one black marble from Bag B if Bag A contains 9 red marbles and 3 green marbles, and Bag B contains 9 black marbles and 6 orange marbles?

Back

3/20

Front

In a box containing 5 purple marbles, 3 green marbles, and 2 orange marbles, what is the probability of drawing an orange marble first and then a green marble without replacement?

Back

1/15

Front

What is the term for events where the outcome of one event influences the outcome of another event?

Back

Dependent events

Front

If you flip a coin and roll a die, what is the probability of flipping heads and rolling a 5 or 6?

Back

1/6

Front

In a spinner with 8 equal regions marked with the numbers 10, 20, 30, 40, 50, 60, 70, and 80, what is the probability of spinning an even number on the first roll?

Back

1

Front

What is the formula for calculating the probability of the union of two independent events A and B?

Back

P(A or B) = P(A) + P(B) - P(A and B)