probability of simple events

Julian selects a card at random from the cards shown.  What is the probability that the card Julian selects is a polygon? ( A polygon is a shape with 3 or more straight sides)

• ½
• ⅓
• ⅔
• ⅚

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

Miss Ward spins a wheel to determine the number of homework problems to assign. There are 20 sections labeled 1–20. What is the probability that there will be fewer than 13 problems assigned for homework?

• 13/20
• 3/5
• 4/9
• 7/20

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

You spin the spinner 1 time.

What is P(7)?

• 1%

• 50%

• 20%

• 25%

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

You flip a coin.

What is P(heads)?

• 50%

• 1%

• 25%

• 100%

Tags

CCSS.7.SP.C.5

Cindy owns 7 t-shirts, 2 of which are gray. If Cindy randomly selects a t-shirt to wear, what is the probability it will be gray?

• 2/7

• 5/7

• 7/7

• 1/7

Tags

CCSS.7.SP.C.5

You pick a card at random.

What is P(5)?

• 3/1

• 3/4

• 1/4

• 1

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

You roll a 6-sided die.

What is P(3)?

• 1/6

• 1/3

• 3/6

• 6

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

You spin the spinner once.

What is P(3)?

• 8%

• 25%

• 36%

• 2%

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

Gabby is picking out fabric for her bedroom. She has 20 fabric samples, and 8 of them are plaid.

What is the probability that a randomly selected fabric sample will be plaid?

• 12/20

• 2/5

• 1/20

• 20

Tags

CCSS.7.SP.C.5

CCSS.7.RP.A.2

You pick a card at random.

What is P(5)?

• 1/4

• 3/4

• 4/3

• 4

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7