Simple Probability
What is the probability of choosing a month that starts with the letter J?
1/4
A city has 9 coffee shops: 3 Starbuck’s, 2 Caribou Coffees, and 4 Crazy Mocha Coffees. If a person selects one shop at random to buy a cup of coffee, Find the probability that it is either a Starbuck’s or Crazy Mocha Coffees.
7/9
A Single card is drawn at random from an ordinary deck of cards. Find the probability that it is either an ace or a black card?
7/13
The following M&M colors are in the bowl: 4 yellow, 6 orange, 3 green, 5 blue, 2 brown. What is the probability of selecting a brown candy?
1/10
A day of the week is selected at random. What is the probability of choosing a Monday or Tuesday?
2/7
In a hospital unit, there are 8 nurses and 5 physicians; 7 nurses and 3 physicians are females. If a staff person is selected, find the probability that the subject is a nurse or a male?
10/13
Find the probability of rolling greater than a 1 on a single die.
5/6
A number from 1 to 10 is chosen at random. What is the probability of choosing a 5 or an even number?
3/5
You roll a die. Find the probability of rolling 2 or rolling an even number.
1/2
In a 12-number spinner, there are 3 blue, 5 red, 1 yellow and 3 green, What is the probability of spinning green?
1/4
In a pet store, there are 6 puppies, 4 gerbils and 7 parakeets. If a pet is chosen at random, what is the probability of choosing a puppy or a parakeet?
13/17
You roll a die. Find the probability of rolling a number less than 3 or rolling an odd number.
2/3
In the 6 number spinner, What is the probability of spinning a prime number?
1/2
The letters of the word “MUTUALLY” and the word “EXCLUSIVE“ are put into a box. A card is picked at random. What is the probability of picking a “U“ or a consonant?
13/17
A single 6-sided die is rolled. What is the probability of rolling a number greater than 3 or an even number?
2/3