Probability

What is the probability of flipping a coin and getting heads?

• 1/2
• 1/3
• 1/4
• Never, Tails never fails.

Tags

CCSS.7.SP.C.5

A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter?

• 5/11
• 5/6
• 1/3
• 5

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

What is the probability of spinning a red if we spin 30 times?

• 1/5
• 1/30
• 3/30
• 1/10

Tags

CCSS.7.SP.C.5

In a cricket match,a batsman hits a boundary 6 times out of 30 balls she plays.Find the probability that she did not hit a boundary

• 6/30

• 4/5

• 6

• 4

Probability of an Event 'E' + Probability of the event 'not E' is

• 0

• -1

• 1

• None

A box contains 5 red marbles,8 white marbles and 4 green marbles.One marble s taken out of the box random.What is the probability that the marble taken out will be not green

• 4/17

• 17/4

• 13/17

• 13

A box contains 6 red balls,10 white balls and 4 green marbles.One balls taken out of the box random.What is the probability that the ball taken out will be red green

• 6

• 14/20

• 3/10

• 14

A piggy bank contains hundred 50 p coins,fifty rs.1 coins,twenty rs.2 coins and ten rs.5 coins. If it is equally likely that one of the coins will fall out when the bank is turned upside down,what is the probability that the coin will not be a 50 p coin?

• 5/9

• 5

• 4/9

• 100/180

A piggy bank contains hundred 50 p coins,fifty rs.1 coins,twenty rs.2 coins and ten rs.5 coins. If it is equally likely that one of the coins will fall out when the bank is turned upside down,what is the probability that the coin will be a rs.2 coin?

• 20

• 20/180

• 8

• 8/9

The probability of an event that cannot happen is

• 1

• 0

• -1

• None