Outcomes in Probability

The Probability Line above shows all possible probabilities, from 0% to 100%.

What is the probability shown with the red arrow?

• 0%

• 50%

• 75%

• 100%

The Probability Line above shows all possible probabilities, from 0% to 100%.

What is the probability shown with the red arrow?

• 0%

• 50%

• 75%

• 100%

If the probability of an event happening is between 0 and 50%, we say the event is "unlikely."

If the probability of an event happening is between 50 and 100%, we say the event is "likely."

The arrow shows that the probability of an event happening is about 80%. Is this event likely or unlikely?

• Unlikely (no es probable)

• Likely (probable)

If the probability of an event happening is between 0 and 50%, we say the event is "unlikely."

If the probability of an event happening is between 50 and 100%, we say the event is "likely."

The arrow shows that the probability of an event happening is about 10%. Is this event likely or unlikely?

• Unlikely (no es probable)

• Likely (probable)

Does the arrow show a likely or unlikely event?

• Unlikely (no es probable)

• Likely (probable)

What is the probability of choosing a black marble?

• Certain

• Likely

• Unlikely

• Impossible

In a deck of cards, what is the likelihood of selecting an ace?

• impossible

• unlikely

• as likely as unlikely

• likely

An unlikely chance event is closer to what number?

• 0

• 1

• 2

• 3

An outcome with the probability of 19/20 would be described as _.

• likely

• unlikely

• equally likely as not

• certain

The chance of flipping a tail on a normal coin is equally as likely as flipping a head.

• True

• False