Simple Events
A cup has sticks numbered 1 through 13. What is the probability of an odd number?
7/13
A coin and a die are both rolled. What is the probability of flipping tails and an even number?
1/4
There are 31 days in the month of August. What is the probability of choosing a date that is one-digit or a multiple of 10?
12/31
A bag contains marbles; 3 red, 2 green, 5 yellow, 8 black, 4 purple. The probability of drawing a yellow marble and then a black marble.
20/231
A spinner has 6 equal sections, red, blue, yellow, green, orange, and pink. What is the probability that the spinner will land on yellow?
1/6
A bag contains the following marbles: 4 red, 2 green, 3 yellow, and 1 orange. What is the probability that a green then a red will be picked, if the marble is replaced for the second draw.
2/25
Nia is randomly choosing a card from a standard deck of 52. What is the probability that she chooses a card that is a red multiple of three?
3/26
Probability of flipping a coin for tails and rolling a die for 4 or greater.
1/4
A spinner has 10 equal sections, 1,2,3,4,5,6,7,8,9, and 10. What is the probability of spinning a number less than 7?
3/5
A drawer contains 4 white, 4 black, 2 yellow, and 5 polka-dot socks. What is the probability of choosing a pair of yellow socks without replacing the first sock?
What is 1/105?
One of the 50 states is chosen at random. What is the probability of NOT choosing a state that begins with the letter N?
21/25
Probability of flipping a coin on heads followed by flipping another coin on heads
1/4
A drawer contains 20 socks: 8 blue, 4 green, 6 black, and 2 white. What is the probability of picking out a blue sock?
2/5
A blue number cube and an orange number cube are rolled. What is the P(3, then even)?
1/12
Kelli's wallet contains six $1 bills, four $5 bills, two $10 bills and three $20 bills. If Kelli randomly removes a bill, what is the possibility that it is at least $5?
3/5
There are 30 different names on a list. What is the probability of selecting Max and then Grace?
1/870
A class has 20 boys and 12 girls. What is the probability that a girl is chosen to answer a question?
3/8
A spinner with equal sections of red, blue, green, and purple is spun while a number cube is rolled. What is the P (not blue and not a 3)
5/8
A pizza box contains 3 cheese slices, 7 pepperoni slices, and 5 supreme slices. Haley randomly chooses a slice, eats it and then reaches in for another random slice. What is the P( cheese then supreme)?
1/14
There are 3 black and 2 white cats in a room. What is the probability that a black cat will escape followed by a white cat?
3/10