Probability 7th Grade Math

Front

What is probability?

Back

Probability is a measure of the likelihood that an event will occur, expressed as a number between 0 and 1.

Tags

CCSS.7.SP.C.5

Front

How do you calculate the probability of an event?

Back

Probability of an event = (Number of favorable outcomes) / (Total number of outcomes)

Tags

CCSS.7.SP.C.7A

Front

What is the probability of drawing a gold coin from a bag containing 2 silver coins, 2 gold coins, 6 copper coins, and 5 brass coins?

Back

2/15

Tags

CCSS.7.SP.C.7B

Front

If a company accepts 1 out of every 20 applicants, what is the probability of not being accepted?

Back

95%

Front

If 2 out of 16 apples have a worm, how many apples would have a worm if 64 apples are picked?

Back

8

Tags

CCSS.6.RP.A.3B

Front

What is the expected number of successful outcomes if the probability of success is 4/5 and there are 30 attempts?

Back

24

Front

What is a tree diagram in probability?

Back

A tree diagram is a visual representation of all possible outcomes of an event, showing the paths to each outcome.

Tags

CCSS.7.SP.C.8B

Front

What does it mean if an event is independent?

Back

Two events are independent if the occurrence of one does not affect the probability of the other.

Tags

CCSS.HSS.CP.A.5

Front

What is the complement of an event?

Back

The complement of an event is the probability that the event does not occur, calculated as 1 minus the probability of the event.

Tags

CCSS.7.SP.C.5

Front

How do you express probability as a percentage?

Back

To express probability as a percentage, multiply the probability by 100.

Tags

CCSS.7.SP.C.5