A
What is the possibility of getting a queen of hearts in a deck of 52 cards?
1/52 or 1.9%
What is the probability of rolling a die and getting a number?
1
What is the probability of flipping a coin one time and getting a head?
1/2 or 50%
What is the probability of drawing a red ball out of a box that contains 3 blue, 4 white, 6 black balls?
0%
12 people at a party shake hands. How many handshakes are made?
78
2 people are told to stand in line. How many different orders can they stand in?
2
There is a roulette that 50 percent is free popcorn, and 25 percent is a free ticket and the rest is nothing. What is the probability of getting a free ticket?
1/4 or 25%
15 people say hi to each other, how many times did people say hi?
105
A roller coaster can ride 15 people at once. If John is standing 15th in the line, what is the probability that John can ride the roller coaster without having to wait for another roller coaster?
1
A teacher chose 5 students in a class to give them random prizes. 30 students had to roll a die and spin a roulette to be picked. If a die lands on an even number and the roulette stops at a blue area that has 10 pi cm2, they get picked. The roulette’s radius length is 10 cm. What is the probability of one student getting picked?
½ * 1/10 = 1/20
A wheel spin competition is held, the wheel has 10 different slots, 1 is a grand prize, 2 slots are a losing prize, 2 are a spin again slot, 5 is a no prize slot. What are the chances of winning a grand prize if you spin twice?
0.01% chance or 1/1000
Flip a fair coin. If it lands heads, write an H and the turn is done. If it lands tails, then flip it again – write H if it lands heads or T if it lands tails, and the turn is done. After three turns, what is the probability that 2 H’s have been written?
0.0029296875
Jacob, John, Jack, Julie, Junho, and Juhi are at the theme park. They are waiting for the super ride and after waiting for some time, they are at the front of the line but inconveniently, the staff says only 2 of them could ride. If the staff randomly chooses 2 out of the 6 kids, what is the possibility that they are both girls?
1/15
A classroom with 20 people has 11 girls and 9 boys. If the teacher were to choose 2 random people without replacement, what is the percentage?
19%
In a theme park, we are in a line to get some mango slushies. There are 20 people including me and one of my friends. But a man approaches us and tells us that he would be willing to pick 2 kids out of the line of 20 kids and give them a free slushie. What is the probability that my friend and I get the free slushie?
1/190