Probability Flashcard Review

Front

What is the definition of independent events in probability?

Back

Independent events are events where the outcome of one event does not affect the outcome of another event.

Front

What is the definition of dependent events in probability?

Back

Dependent events are events where the outcome of one event affects the outcome of another event.

Front

If a marble is drawn from a bag and replaced before drawing another, are the events independent or dependent?

Back

Independent.

Front

What is the probability of drawing 2 brown M&M's from a bag with replacement?

Back

Independent events, so the probability remains the same for each draw.

Front

What is the formula for calculating the probability of two independent events occurring?

Back

P(A and B) = P(A) * P(B) where A and B are independent events.

Front

What is the probability of rolling a 5 on a die and flipping tails on a coin?

Back

1/12.

Front

What is the probability of getting tails on a coin and a 3 on a number cube?

Back

1/12.

Front

What is the probability of rolling an odd number on a standard die?

Back

3/6 or 1/2.

Front

What is the total number of outcomes when tossing a coin and rolling a die?

Back

12 outcomes (2 for the coin and 6 for the die).

Front

What is the probability of rolling a number greater than 4 on a die?

Back

1/3 (only 5 and 6 are greater than 4).