Probability Quiz

What is the probability of flipping a coin
3 times and getting 3 heads?

• 1/8
• 1/4
• 1/2
• 3/4

Dustin has a spinner that is divided into
5 equal-size sections colored red, blue, orange, white, and green. What is the probability that Dustin spins pink on the next spin?

• 0
• 0.25
• 0.5
• 0.75

Isidro flips a fair coin 40 times. How many times can he expect heads to appear?

• 4
• 10
• 15
• 20

A number cube has sides labeled 1 to 6. Hannah rolls the number cube 18 times. How many times can she expect to roll a number less than 3?

• 2
• 3
• 6
• 8

Flavia has a bag with 8 white balls, 9 red balls, 14 green balls, and 10 orange balls. If she chooses a ball from the bag without looking, which color ball will Flavia be least likely to choose?

• white
• red
• green
• orange

Without looking, Tammy takes a marble out of a bag that contains 10 red marbles, 15 green marbles, and 25 blue marbles. She records its color and returns the marble to the bag. If Tammy repeats this process 90 times, how many times can she expect to pull out a red marble?

• 5
• 10
• 15
• 18

Alexander spins a spinner with four equally-sized regions and flips a coin. How many outcomes are possible?

• 2
• 6
• 8
• 36

Scarlett selects a card at random from a deck that contains 18 red, 12 yellow, and 20 blue cards. What is the probability that she does not select a red card?

• 13/25
• 16/25
• 18/25
• 24/25

Glen has 3 pairs of shoes, 5 shirts,
and 4 pairs of pants. How many outfits consisting of 1 pair of shoes, 1 shirt,
and 1 pair of pants can he make?

• 12
• 20
• 30
• 60

A fair coin will be tossed 3 times. What's the probability of getting exactly two tails in 3 tosses.

• 3/8
• 5/8
• 7/8
• 1/8