Statistics and Probability

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

What is the formula for calculating the probability of an event?

Back

Probability (P) = Number of favorable outcomes / Total number of possible outcomes.

Tags

CCSS.7.SP.C.7A

Front

If a die is rolled, what is the probability of rolling a number greater than 4?

Back

P(rolling > 4) = 2/6 = 1/3.

Tags

CCSS.7.SP.C.7B

Front

What is the probability of drawing a red marble from a bag containing 3 red, 5 green, and 3 blue marbles?

Back

P(red) = 3/(3+5+3) = 3/11.

Tags

CCSS.7.SP.C.7B

Front

What is the probability of selecting a mint from a jar containing 12 caramels, 7 mints, and 16 dark chocolates?

Back

P(mint) = 7/(12+7+16) = 7/35.

Tags

CCSS.7.SP.C.7B

Front

What is the probability of not rolling a 3 on a 6-sided die?

Back

P(not 3) = 5/6.

Front

What is the probability of pulling a black mitten from a drawer containing 2 blue, 6 black, and 8 gray mittens?

Back

P(black) = 6/(2+6+8) = 6/16 = 3/8.

Tags

CCSS.7.SP.C.7B

Front

What is the probability of selecting a red marble after pulling a purple marble from a bag containing 3 red, 5 green, 3 blue, and 7 purple marbles?

Back

P(red after purple) = 3/(3+5+3+7-1) = 3/17.

Tags

CCSS.HSS.CP.B.6

Front

What is the probability of rolling an odd number on a 6-sided die?

Back

P(odd) = 3/6 = 1/2.

Tags

CCSS.7.SP.C.7B

Front

What is the concept of independent events in probability?

Back

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

Tags

CCSS.HSS.CP.A.5