Probability (A1.2.3.3.1)

What is the probability of the spinner landing on B?

If the spinner is spun twice, what is the probability that both spins will land on B?

What is the probability of the spinner landing on either A or D?

Sadie is going to toss three coins in the air simultaneously. What is the probability that exactly two of the coins will land on tails?

There is a 20% chance it will rain on Monday and a 45% chance it will rain on Saturday. What percent chance is there that it will rain on both Monday and Saturday?

• 9%

• 22.5%

• 47%

• 90%

Harry rolls a 1-6 number cube and flips a coin. What is the probability he rolls a number greater than 4 and the coin lands on heads?

What is the probability of tossing a number cube, with faces labeled 1-6, and spinning this spinner, and getting a sum of 8 or greater?

An ordinary deck of cards has 4 suits: hearts, diamonds, clubs, and spades. Each suit has 13 different cards, so there are 52 cards in all.

One card is picked at random from the deck. What is the probability that the card’s suit is diamonds or spades? 

An ordinary deck of cards has 4 suits: hearts, diamonds, clubs, and spades. Each suit has 13 different cards, so there are 52 cards in all.

What is the probability of picking a king or a club?

An ordinary deck of cards has 4 suits: hearts, diamonds, clubs, and spades. Each suit has 13 different cards, so there are 52 cards in all.

What is the probability of picking a king and a club?