Keep It Simple
You roll a die. Find the P(5)
1/6
16.67%
A pizza company makes pizza in three different sizes: small, medium and large. There are four possible toppings: pepperoni, sausage, mushroom and hamburger. How many different kinds of pizza with one toppings are available?
12
You roll a dice. Find the P(2, then 5)
1/36
2.78%
The minimum probability of an event is __________ as a decimal and is ___________ as a percent.
0; 0
A game costs $4 to play and you get 1 flip of the coin. Find the expected value of this game if you win $10 as a result of correctly guessing the side that it lands on.
You roll a die. Find the P(even). Simplify.
1/2
50%
When you get ready to get dressed you open your closet to find that you have the following choices: a red, blue, or white shirt and jeans or sweatpants. How many different outfits could be made with these choices?
6
If you were to flip three coins, what is the probability that you get Tails on all three coins
1/8
12.5%
The maximum probability of an event is __________ as a decimal and is ___________ as a percent.
1; 100
One roll of a standard “fair” six-sided die. A game costs $15 to play. Find this game’s expected value if you win $27 when you roll a 1,2,3,4, or 6 and you lose your buy-in when you roll a 5.
$7.50
You roll a dice. What is the probability of not rolling a 3
5/6
83.33%
You go to the cafeteria for lunch and have a choice of 4 entrees, 5 sides, 5 drinks, and 4 desserts. Assuming you have one of each category, how many different lunches could be made?
400
The average NBA player makes about 80% (or 4/5) of free throws. What is the probability of making two free throws in a row?
16/25
64%
What is the complement of 2/9?
7/9
Hitting the "bull's-eye" on a dart board is worth 250 points. If when you play darts you hit the bull's-eye 3.5% of the time and you close your eyes and randomly throw a dart at the dartboard 1,638 times, how many points should you expect to should you reasonably expect to score as a result of hitting "bulls-eyes"?
14,332.5 points
You select a letter randomly from a bad containing the letters S,P,I,N,N,E,R. Find the odds in favor of selecting an S.
1/7
14.29%
Miles has 4 jackets (white, black, yellow and green) and four pairs of pants ( black, white, jeans and khakis). What is the probability that his jacket and pants will NOT be the same color?
7/8
87.5%
Given: On Monday the probability of rain is 35%. On Tuesday the probability of snow is 70%. On Wednesday the probability of sunny is 80%. Find P(Monday not rainy, Tuesday not snowy, Wednesday sunny).
15.6%
How do you calculate the Probability of Event 1 and Event 2 happening?
P(Event 1) * P(Event 2)
Given a standard six-sided dice, if you roll it 500 times how many times can you reasonably expect to get a non-even prime number?
250
A bag contains 4 red marbles, 6 blue marbles and 10 yellow marbles. Find the P(not blue) as a fraction, decimal and percent.
0.7
70%
7/10
You toss a penny 4 times. How many different outcomes are there?
16
Given: A multiple-choice quiz with four questions on it. Each question has only one correct answer. Question 1 has two answer choices. Question 2 has three answer choices. Question 3 has four answer choices. Question 4 has five answer choices. If you answer randomly, find P(Q#1 Correct, Q#2 Incorrect, Q#3 Correct, Q#4 Incorrect)
1/15
6.67%
How do you calculate the Probability of Event 1 or Event 2 happening?
P(Event 1) + P(Event 2)
Miguel Cabrera currently has a home-run percentage of 5.87%. Over the course of his next 700 times at bat, how many times should we reasonably expect him to NOT hit a home run?
658.91