Probability of events

What is probability?

• A measure of how likely an event is to occur, expressed as a number between 0 and 1.

• A method to predict future events based on past occurrences.

• A statistical tool used to analyze data sets.

• A way to determine the average outcome of a series of events.

Tags

CCSS.7.SP.C.5

If you roll a die, what is the probability of rolling an even number?

• 1/3

• 1/4

• 1/2

• 2/3

Tags

CCSS.7.SP.C.7A

If an event has a probability of 0, what does that mean?

• It means the event is impossible and will not occur.

• It means the event is highly likely to occur.

• It means the event will occur with certainty.

• It means the event has an equal chance of occurring or not occurring.

Tags

CCSS.7.SP.C.5

If a coin is tossed, what is the probability of getting heads?

• 1/4

• 1/2

• 3/4

• 1/3

Tags

CCSS.7.SP.C.7A

What is the probability of rolling a number greater than 4 on a 6-faced die?

• 1/2 (rolling a 4, 5, or 6)

• 1/3 (rolling a 5 or 6)

• 1/6 (rolling a 6)

• 2/6 (rolling a 5 or 6)

Tags

CCSS.7.SP.C.7B

What is the total number of outcomes when spinning a spinner with 6 equal sections?

• 4

• 5

• 6

• 7

If you flip a coin 10 times, how many times would you expect to get heads?

• 3 times

• 5 times

• 7 times

• 10 times

Tags

CCSS.7.SP.C.6

What is the probability of rolling a number less than 3 on a 6-faced die?

• 1/2

• 1/4

• 1/3

• 2/6

Tags

CCSS.7.SP.C.7A

If an event has a probability of 1, what does that mean?

• It means the event is certain to occur.

• It means the event is unlikely to occur.

• It means the event will never occur.

• It means the event has an equal chance of occurring or not.

Tags

CCSS.7.SP.C.5

What is the probability of getting tails on the next toss after getting heads 20 times in a row?

• 1/4

• 1/3

• 1/2

• 1/5

Tags

CCSS.HSS.CP.A.5