Intro to Probability Sample Space

You flip a nickel three times.
Find the probability that all flips will land on tails.

• 1/2

• 1/4

• 1/6

• 1/8

An ice cream shop offers a choice of three types of cones and 31 flavors of ice cream.  A customer gets to choose a cone and a type of ice cream.   How many events are described here?

• 1

• 2

• 3

• 93

A small bag of jelly beans contains 2 lemons, 4 cherry, 1 lime, and 3 blueberry jelly beans. If Jessica chooses a jellybean without looking, what is the probability it will be cherry or blueberry?

• 3/10

• 7/10

• 1/2

• 1/4

A probability near 1 is _______.

• never going to happen 

• very likely to happen

• probably never going to happen

•  equally likely to happen

A bag of markers has 4 red markers, 5 blue markers, 3 yellow markers, and 3 green markers. If Maria pulls out a marker without looking, what is the probability she will NOT pull out a blue marker?

• 1/2

• 1/3

• 4/15

• 2/3

A bag contains some red-colored and some blue-colored marbles. First a red-colored marble is drawn and then, without replacing the first marble, a blue-colored marble is drawn. Are the two events dependent or independent?

• Independent

• Dependent

The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter other than “A”? 

• 2/7

• 5/49

• 5/7

• 10/49

The probability that an event happens is 0.42.  What is the probability that the event won't happen?

• -0.42

• 0

• 0.58

• 1

Is the event INDEPENDENT or DEPENDENT?

Amy plays card games. She picks a card at random. Then without putting the first card back, she picks a second card at random.

• Independent

• Dependent