Probability of Independent and Dependent Events

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 treat is selected and replaced, what type of event is this?

Back

Independent event.

Front

If a treat is selected and not replaced, what type of event is this?

Back

Dependent event.

Front

What is the probability of selecting a lollipop from a bag containing 6 lollipops and 4 gum balls?

Back

6/10 or 3/5.

Front

What is the probability of selecting a gum ball after selecting a lollipop and replacing it?

Back

4/10 or 2/5.

Front

What is the probability of selecting a gum ball after selecting a lollipop without replacement from a bag of 6 lollipops and 4 gum balls?

Back

4/9.

Front

How do you calculate the probability of two independent events occurring?

Back

Multiply the probabilities of each event.

Front

How do you calculate the probability of two dependent events occurring?

Back

Multiply the probability of the first event by the probability of the second event given that the first event has occurred.

Front

What is the probability of selecting a new light bulb from a box containing 9 new and 6 used light bulbs?

Back

9/15 or 3/5.