Probability

When flipping a coin with heads and tails, there is--

• an equal chance of landing on heads or tails.

• an unlikely chance the coin lands on heads.

• a certainty that the coin lands on tails.

• a likely chance the coin lands on heads.

If there is a zero percent chance of an event happening, we refer to that as--

• certain

• impossible

• unlikely

• likely

When rolling one dice, how many possible outcomes are there?

• One

• Three

• Six

• Twelve

True or False: If Ella rolls a dice six times, it is certain that she will roll a "5" at least one time.

• True

• False

When rolling a dice, each new roll is a brand new term. This is referred to as--

• a probable occurrence.

• a percent.

• an independent event.

• a certainty.

If a spinner has three equally-sized colored sections (red, green, and blue), what is the probability the spinner lands on green?

• Certain

• Equally Likely

• Unlikely

• Likely

Ella and Alex are flipping a coin. Alex says he wins if the coin lands on heads, and Ella loses if the coin lands on tails. Is this a fair game?

• Yes, it's a fair game.

• No, it's an unfair game.

Probability is a measure of--

• how likely or unlikely something is.

• the fairness of a game.

• predictions.

• the way we keep records.

There are 3 celery sticks and 4 carrot sticks in a bag. Ella says she wins the game if she pulls out a carrot stick and Alex wins if he pulls out a celery stick. Is this a fair game?

• Yes, it's a fair game.

• No, it's an unfair game.

If there is a 50% chance of an event happening, it is referred to as--

• certain.

• likely.

• unlikely.

• equally likely.