Probability Review

What is the probability of the spinner shown landing on green?

• 1/4

• 1/3

• 1/2

• 2/7

You open a bag of Skittles and there are 10 purple Skittles, 8 green Skittles, 7 yellow Skittles, 5 Red Skittles and 4 orange Skittles. If you randomly choose a Skittle from the bag what is the probability that the Skittle is not purple?

• 5/17

• 9/34

• 1/4

• 12/17

A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter?

• 5/11
• 5/6
• 1/3
• 5

A bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of pulling a red?

• 3/10
• 3/9
• 1/9
• 1/3

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 he will NOT pull out a blue marker?

• 5/10
• 1/3
• 4/15
• 2/3

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

You spin the spinner 1 time.

What is P(7)?

• 1%

• 50%

• 20%

• 25%

You flip a coin.

What is P(heads)?

• 50%

• 1%

• 25%

• 100%

You pick a card at random.

What is P(5)?

• 3/1

• 3/4

• 1/4

• 1

Is the event INDEPENDENT or DEPENDENT?
You have a jar with 24 pieces of chocolate candy and 14 pieces of orange candy.  We take one piece of candy at random from the jar, put it back, and then take a second piece of candy at random from the jar.

• Independent
• Dependent