Sample Space- without listing
A coin is tossed 3 times. How many possible outcomes are there?
8
A coin is tossed once. What is the sample space?
{H, T}
A spinner has 4 equal sections labeled A, B, C, D.
How many possible outcomes are there in one spin?
4
A fair number cube (1–6) is rolled once.
What is the probability of rolling 3?
1/6
A bag has 4 red marbles and 6 blue marbles.
What is the probability of picking a red marble?
4/10 or 2/5
If you roll a number cube, what is the probability of getting a number greater than 4?
1/3
A coin is tossed 4 times. How many possible outcomes are there?
16
A coin is tossed twice. How many outcomes are possible?
4
A spinner has 6 equal sections. What is the probability of landing on one specific section?
1/6
A number cube is rolled once.
What is the probability of rolling an even number?
3/6 or 1/2
A bag has 3 green, 2 yellow, and 5 blue marbles.
What is the probability of picking yellow?
A coin is tossed two times.
What is the probability of getting two heads?
1/4
A fair six-sided die is rolled twice. How many possible outcomes are there?
36
A coin is tossed three times. What is the probability of getting all heads?
1/8
A spinner with 5 equal sections is spun once.
What is the probability of landing on section 3?
1/5
A number cube is rolled once.
What is the probability of rolling a number greater than 4?
2/6 or 1/3
A number from 1–10 is chosen randomly.
What is the probability of choosing an even number?
5/10 or 1/2
A bag has 2 red marbles and 3 blue marbles.
What is the probability of picking a blue marble?
3/5
A spinner has 5 equal sections. It is spun twice. How many outcomes are possible?
25
A coin is tossed twice. What is the probability of getting one head and one tail?
A spinner has 8 equal sections. What is the probability of landing on any one section?
1/8
A number cube is rolled twice.
How many possible outcomes are there?
36
A bag has 2 black balls and 3 white balls.
What is the probability of picking white?
3/5
A spinner has 4 equal sections.
What is the probability of landing on any one section?
1/4
A bag contains 3 different colored marbles. A marble is chosen, returned, then chosen again. How many possible outcomes are there?
9
A fair coin is tossed five times. What is the probability of getting all tails?
1/32
A spinner with 4 equal sections is spun twice.
How many possible outcomes are there?
16
A number cube is rolled once.
What is the probability of rolling an odd number?
3/6 or 1/2
A bag contains 3 red marbles, 4 blue marbles, and 3 green marbles. What is the probability of choosing a blue marble?
4/10 = 2/5
A number from 1–8 is chosen randomly.
What is the probability of choosing an even number?
1/2