Simple Probability
What's the probability of flipping a coin and it lands on tails?
1/2 or 50%
What is the theoretical probability of selecting a heart from a 52-card deck?
1/4
What is the sample space for rolling a 6-sided dice?
Probability I flip a coin, it lands on heads and I roll a dice which lands on an even number.
1/4
There are 7 green jelly beans, 4 red jelly beans, and 10 yellow jelly beans. I pick out a green jelly bean, eat it, and then grab a yellow jelly bean.
1/6
What is the probability of rolling a number greater than 4 on a 6-sided dice?
1/3
A dice is rolled 25 times. 6 appears 10 times. What is the experimental probability of rolling a 6?
2/5
What is the number of outcomes in the sample space for flipping a coin and then rolling a 6-sided dice?
12
Probability that a spinner with 5 different colored sections lands on red and then on green.
1/25
There are 7 green jelly beans, 4 red jelly beans, and 10 yellow jelly beans. I pick out a green jelly bean, eat it, and then grab a red jelly bean. What's the probability of this happening?
1/15
What is the probability of selecting a green jelly bean if there are 7 green jelly beans, 4 red jelly beans, and 10 yellow jelly beans?
1/3
A dice is rolled and this is the number each time:
2,3,4,2,5,1,4,3,2,6,1,2,2,1,6,6,5,3,4,2
What is the experimental probability of rolling a 3?
3/20
What is the sample space if I need a snack: apple, granola bar, or chips AND a drink: lemonade or water
apple, water
granola bar, lemonade
granola bar, water
chips, lemonade
chips, water
Probability I pull out a spade card from a 52-card deck, replace it, and pull out a diamond card.
1/16
A laundry basket has 13 socks in it. Three are striped, 6 are red, and the remaining are blue. What is the probability I pick out a striped sock, and get another striped sock?
1/26
A laundry basket has 13 socks in it. Three are striped, 6 are red, and the remaining are blue. What is the probability of not selecting a blue sock?
9/13
A dice is rolled and this is the number each time:
2,3,4,2,5,1,4,3,2,6,1,2,2,1,6,6,5,3,4,2
What is the theoretical probability of rolling a 3?
1/6
LIST all possible outcomes for rolling a 6 sided dice and spinning a spinner with 4 sections.
1a; 1b; 1c; 1d
2a; 2b; 2c; 2d
3a; 3b; 3c;3d
4a; 4b; 4c; 4d
5a; 5b; 5c; 5d
6a; 6b; 6c; 6d
Probability I pull out either a 7 or queen from a 52-card deck, replace it, and then pull out a club?
1/26
A laundry basket has 13 socks in it. Three are striped, 6 are red, and the remaining are blue. What is the probability I pick out a blue sock, and get a red sock?
2/13
A laundry basket has 13 socks in it. Three are striped, 6 are red, and the remaining are blue. What is the probability of selecting a pink sock?
0, impossible
A dice is rolled and this is the number each time:
2,3,4,2,5,1,4,3,2,6,1,2,2,1,6,6,5,3,4,2
If this was repeated 1,000 times, how many times could you expect to roll a 3 based on the theoretical probability?
Around 166 or 167 times
I can have chicken, pork, or beef for dinner. I want to pair it with broccoli, beans, or corn. I'll have it with rice or potatoes. How many different combinations are there?
18
Probability I pick a random name in a class of 32, replace it, and draw it again.
1/1024
Probability I pull out either a 7 or queen from a 52-card deck, keep it, and then pull out a club?
2/51