Unit 7: Probability

Find the probability of drawing a 10 from a standard deck of 52 cards.

P(10) =

• 4 out of 52

• 13 out of 52

• 13/52

• 4/52

Clara picks a marble at random, puts it back, and then picks another marble at random.

• Dependent
• Independent

Tags

CCSS.HSS.CP.A.2

CCSS.HSS.CP.A.3

CCSS.HSS.CP.A.5

Based on the picture, find the probability if I roll a 5 on the number cube, and spin a blue letter.

P(5, blue) =

• ⅙ x ¼ = 1/24

• 5/6 x 1/4 = 5/24

Suppose a number cube is rolled twice. What is the probability that an odd number will show both times?

P(odd, odd) =

• 1/3

• 1/2

• 1/6

• 1/4

Ten cards numbered 1-10 are placed in a hat. What is the probability of randomly drawing a card with an even number then a card with a number greater than or equal to five if the first card is replaced?

P(even, 5 or more) =

• 1/4

• 2/3

• 3/10

• 3/5

The following M & M colors are in the bowl:

4 yellow, 6 orange, 3 green, 5 blue, 2 brown

P(brown) =

• 2/18

• 1/9

• 2/20

• 1/10

A jar contains 8 marbles: 3 are red and 5 are blue. What is the probability of selecting a red marble, replacing it, and then selecting another red marble?

P(red, red) =

• 9/64

• 6/56

• 15/64

• 25/64

A bag of markers has 4 red markers, 5 blue markers, 3 yellow markers, and 3 green markers. If Maria pulls out a marker without looking, what is the probability he will NOT pull out a blue marker?

P(not blue) =

• 5/10

• 1/3

• 4/15

• 2/3

Probability is ...

• the chance that some event will occur.
• a game that involves coins.
• a guarantee.

Tags

CCSS.7.SP.C.5

What is the probability of spinning the spinner and having it land on RED?

• ⅓
• ½
• ⅔
• ⅚

Tags

CCSS.7.SP.C.5