Mystery
A spinner is label A - H. What is the P(ABC)
3/8
Keith tries to shoot 10 baskets and makes 3. What is the probability that he will make the next basket
3/10
If you roll a 5, 6 out of 30 rolls, what is the probability of rolling a 5 if you roll the die 120 times?
24
I spin a spinner 50 times. It lands on A 8 times, B 17 times, C 9 times, and D 6 times, and E 10 times. Supposed I spun the spinner 300 times. How many times can I expect to land on E?
60
A bag contains 5 red apples and 3 green apples. What is the probability of picking two red apples without the first being replaced?
20/28 or 5/14
Mrs Cooper puts all the students' names in her class in to a bag. She chooses 1 at random and replaces it. What is the probability that she will pull the same name twice?
Block 1 1/400
Block 2 1/529
Block 4 1/900
A pendulum is swinging. It swung 6 times to the right and 4 to the left and in the middle 2 times. What is the probability that it will swing to the left on the next swing?
4/12 or 1/3
If you ride the bus to school 3 out of every 5 days? How many times are you expected to ride the bus in 36 weeks?
108
I spin a spinner 50 times. It lands on A 8 times, B 17 times, C 9 times, and D 6 times, and E 10 times. Supposed I spun the spinner 100 times. How many times can I expect to land on A?
16 times
Find the probability of tails on 4 consecutive throws
1/16
Mrs Cooper puts these students' names in to a bag: Kialah, Julia, Nathan, Gavin, and Ziad. If she chooses Gavin 4 of the 12 times she chooses a name. What is the experimental probability that she will pick Gavin's name?
4/12 or 1/3
Bob ate 17 skittles. 8 were blue. What is the probability of not eating a blue next?
9/17
If two dice are rolled and the results are added, what is the probability that the sun is equal to 8?
5/36
I spin a spinner 50 times. It lands on A 8 times, B 17 times, C 9 times, and D 6 times, and E 10 times. Supposed I spun the spinner 100 times. How many times can I expect to land on A? AND if this is an equally likely spinner, what is the theoretical probability that I will land on A in 100 spins?
16 times. Theoretically, 20 times (100 times ÷ 5 sections)
A bag contains 6 green, 8 white, and 2 blue counters. Two counters are drawn at random. Find the P(green, blue) if the first counter is replaced before drawing the second.
12/256 or 3/64
Mrs Cooper puts these students' names in to a bag: Kialah, Julia, Nathan, Gavin, and Ziad. If she chooses Gavin 4 of the 12 times she chooses a name. What is the theoretical probability that she will pick Gavin's name?
1/5
You and a friend are practicing soccer goals. You got 5 out of 10 and your friend got 4 out of 10. What is the probability that one of you will get the next goal?
9/20
You have two 10 sided dice, label 1 - 10. What is the probability of rolling a combined sum of 7 on the two dice?
6/100 or 3/50
How many different ways can a president and vice president be chosen between 8 candidates?
56 ( 8 x 7)
A bag contains 6 green, 8 white, and 2 blue counters. What is the P (2 green) if the first counter is not replaced before drawing the second?
3/24 or 1/8
Stand up, turn around, sit back down everyone
Stretch break
You are rolling a die. You get 4 2s, 6 5s, 7 6s, and 3 1s. What is the probability of you rolling a 2 on the next roll?
Regan is making sandwiches using 10 kinds of bread, 4 kinds of cheese, and 6 kinds of meat. What are the possible outcomes?
240
Two number cubes, 1-6, are rolled. What is P(3, then even)
1/12
A bag contains 6 green, 8 white, and 2 blue counters. Two counters are drawn at random. Find P(green, yellow) if the first counter is replaced before drawing the second.
0 (6/16 x 0/16)