Geo Prob 6

A jar contains 2 green marbles, 4 blue marbles, 3 yellow marbles, and 2 black marbles. A marble is chosen at random from the jar and replaced. Then a second marble is chosen at random. Find the probability of the first marble being green and the second marble being yellow. 

• 4/121
• 8/121
• 3/121
• 6/121

A coin and a number cube with the numbers 1 through 6 are tossed. What is the probability of the coin showing tails and the number cube showing the number 3? 

• 1/12
• 1/4
• 1/8
• 1/2

Two cards are chosen at random from a standard deck of 52 cards without replacement. What is the probability of choosing two kings? 

• 1/26 = 3.85%
• 1/69 = 1.45%
• 1/221 = 0.45%
• 4/663 = 0.60%

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

What is the probability of the arrow stopping on “1” on the first spin and “6” on the second spin?

• 5/6
• 1/36
• 1/6
• Elephant

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

What is the probability of the arrow stopping on a consonant or one of the first 4 letters of the alphabet?

• 5/6
• 1/36
• 1/3
• 1/6

Tags

CCSS.HSS.CP.A.1

CCSS.HSS.CP.B.7

What is the probability of rolling a 4 on a fair number cube and getting “tails” when tossing a coin?

• 1/7
• 1/12
• 5/8
• 1/2

A chorus has 50 girls and 35 boys. If two are chosen at random to sing a duet, what is the probability that both will be boys? 

• 1/6
• 7/17
• 3/8
• 13/25

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

Your drawer contains 6 red socks and 10 blue socks. It's too dark to see which are which, but you grab two anyway. What is the probability that both socks are red?

• 5/15
• 1/8
• 1/3
• 3/40

What is the probability of one of these cards (the ones in the image) being black AND having an odd number?

• 3/13
• 5/13
• 10/13
• 7/13

P(Blue only)

• 4.9%
• 55.6%
• 39.5%
• 95.1%

Tags

CCSS.HSG.MG.A.2