Simple Probability
Independent Events
Dependent Events
Outcomes
Random
100
A 6 sided dice is rolled.  What is the probability of rolling a 5?
What is 1/6?
100

A coin is tossed one time, and a 5 ­color spinner (red, yellow, green, blue, brown) is spun once. What is the probability that the coin will show heads and the spinner will not point to red?

What is 2/5?
100

A jar contains 3 red, 5 green, 2 blue, and 6 yellow marbles.  A marble is chosen from the jar, and it is not replaced.  What is the probability of chosing a green then a yellow marble.  

What is 1/8?
100

A restaurant offers 3 different types of pasta with 4 different types of sauce. How many different entrees are available? 

What is 12?
100
What is the PERCENT chance of flipping 3 heads in a row?
What is 12.5%?
200

A bag contains 6 red marbles, 4 green marbles, 4 blue marbles, and 2 white marbles.  What is the probability of choosing a green marble? 

What is 1/4?
200

A 5 color spinner is spun (red, yellow, green, blue, brown), and the die is rolled. What is the probability that the spinner will land on green, and the die will land on an even number? 

What is 1/10?
200

In a shipment of 25 footballs, 4 do not hold air.  Two footballs are chosen randomly and tested.  What is the probability that both do not hold air, if the first one is not replaced after being tested? 

What is 1/50?
200

Saul is putting together his lunch.  He can't decide whether to have a tuna sandwich, an egg salad sandwich, or a peanut butter sandwich.  He can take a kiwi, an orange, or a grapefruit as a side.  How many different combinations are there?  

What is 9?
200
What is the probability of something that is impossible?
What is 0?
300

A fair coin is tossed five times, and each time it lands on tails.  What is the probability that it will land on tails after the next toss? 

What is 1/2?
300

An experiment consists of spinning two spinners.  The first spinner contains the letters A-G and the second spinner contains the numbers 1-7. Find the probability of landing on a D and  a 1?

What is 1/49?
300
The letters of the word probability are placed in a bag and drawn without replacement. What is the probability the r is the second letter drawn?
What is 1/11?
300

Monique is picking out a new skateboard.  The board can be gray, black, dark brown, tan, or white.  The wheels can be pink, yellow, orange, green, or purple.  How many different combinations does Monique have to choose from? 

What is 25?
300
What is the probability of something that is guaranteed?
What is 1?
400
What is the probability of drawing an ace from a deck of cards.
What is 1/13?
400

If I choose one card from a normal deck at random, replace it, and choose another card.  What is the probability that I will choose a black card and then a king? 

What is 1/26?
400

A fruit basket is on the table and it contains 7 apples, 3 oranges, 7 kiwis, and 2 pears?  If Clay and Dennis both take a piece of fruit and eat it. What is the probability that they Clay will choose an orange without replacing it and Dennis will choose a pear?

What is 1/57?
400

At Bonny's Bagels, you can choose from five different types of bagels, four different types of spreads, and four different toppings. How many bagel combinations are there? 

What is 80?
400
Out of 30 people surveyed, 12 said their favorite color was blue.  If you surveyed 975 people, how many would you expect to say blue is their favorite color?
What is 390?
500

A 20 sided die is rolled.  What is the probability of landing on a prime number? 

What is 2/5?

500

Two six sided dice are rolled. What is the probability that you will roll an even number and a number greater than 4?

What is 1/6?
500

Two cards from the a standard deck without replacement.  What is the probability of choosing a ten and a queen? 

What is 4/663?
500

Wendy is opening up a an ice cream shop.  She has 4 different cone sizes, 5 different ice creams, and 6 different toppings.  How many different combinations does Wendy have? 

What is 120?
500

Two cards from the a standard deck without replacement. What is the probability of choosing a ten and a queen IN ANY ORDER?

What is 8/663?
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