Unit 1 Probability Review

A probability of CERTAIN is

• 0

• 1/2

• 3/4

• 1

A probability of IMPOSSIBLE is

• 0

• 1/2

• 3/4

• 1

A probability of EQUALLY LIKELY AS LIKELY is

• 0

• 1/2

• 3/4

• 1

A five turning up in rolling a die once and a tail showing up in tossing a coin once.

• Independent Event

• Dependent Event

Drawing two cards from a standard deck of cards one card after the other without replacement.

• Dependent Event

• Independent Event

A jar contains five blue balls, and three red balls. Two balls are drawn at random from the jar, one at a time without replacement. Find the probability that the first ball drawn is blue and the second ball is red.

• 15/56

• 8/15

• 24/35

• 13/21

Two events such that each event affects the occurrence of the other are called _______________?

• Dependent events

• Inclusive Events

• Independent events

• Mutually Exclusive events

There are 10 pens and 15 pencils in a box. If a student selects two of them at random, then what is the probability of selecting a pen and then a pencil?

• 7/12

• 1/4

• 1/2

• 11/12

You flip two quarters. What is the probability that you flip two tails?

• 2/4

• 1/2

• 1/4

• 1/3

What is the Theoretical Probability of NOT landing on red?

• 25%
• 50%
• 65%
• 66.7%