Probability April 30th Practice

What is the probability that a student does play a sport given they do not play an instrument?

• .78

• .22

• .10

• .5

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

P(Pizza Given Senior):

• 10/15

• 4/5

• 2/3

• 10/5

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3

What is the P( not purple) on this spinner?

• 2/5

• 1/5

• 4/5

• 3/5

Tags

CCSS.7.SP.C.5

Gregg has 12 cards. Half are black, and half are red. He picks two cards out of the deck without replacement. What is the probability that both cards are red?

• 1/6

• 5/22

• 1/2

• 1/144

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

A basket contains 5 purple pencils and 9 brown pencils. If two pencils are picked at random one after the other without replacement, then what is the probability that both the pencils are purple?

• 9/182
• 5/182
• 2/91
• 10/91

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

Independent or Dependent?

P(A) = .45 P(B) = .7 P(A ∩ B) = 0.315

• Independent

• Dependent

Independent or Dependent?

P(A) = 11/20 P(B) = 1/2 P(A ∩ B) = 33/100

• Independent

• Dependent

Independent or Dependent?

A cooler contains 4 lemon-lime and 7 orange powerades. You randomly grab a drink, drink it, then grab another for your friend.

• Independent Events

• Dependent Events

A cooler contains 4 lemon-lime and 7 orange powerades. You randomly grab a drink, drink it, then grab another for your friend.

Find P(Orange then Lemon-Lime)

• 0.23

• 0.25

• 1.06

• 0.96

A bag of Halloween candy contains the following counts of fun-sized candy: 20 skittles, 23 M&Ms, 13 nerds, and 19 starbursts. You randomly pull out a candy, decide you don't want it so you put it back then pull another.

• Independent

• Dependent