A Fair Deck
The probability of drawing a club from a deck of cards.
What is 1/4?
13/52
You pull a marble from a bag and, without replacing it, you pick another. Independent or dependent?
What is dependent?
A box contains 4 snickers and 4 hersheys. Tom eats 3 of them one after another.
Find P(2 snickers, 1 hersheys).
Answer with a percent rounded to the tenths place.
What is 14.3%?
4/8*3/7*4/6
=1/2*3/7*2/3
What is the probability of rolling a 7 on a six-sided die?
What is 0?
A person has 5 types of bread, 12 types of meat, and 3 types of condiments. How many different sandwich combinations are there if you use one of each type?
What is 180 sandwiches?
5*12*3
Probability of the complement of drawing a Jack from a deck of cards.
What is 12/13?
48/52
Probability determined from what is expected to happen
What is theoretical probability?
On a spinner with 3 different colors all taking equal space find the chance of getting the same color two times in a row.
What is 1/9?
1/3*1/3
You roll a fair six-sided number cube. What is the probability you do not roll a 2?
What is 5/6?
A jar has 20 red jelly jeans and 5 green ones. I pick two jelly beans and don't put them back. What is the probability that they are both green?
What is 1/30?
5/25 * 4/24
A card is drawn from a deck of cards. What is the probability that the card picked is a spade, King, or Queen? Write as a fraction in simplest form.
What is 19/52?
13/52+4/52+4/52 - 2/52
A jar contains 30 red marbles, 12 yellow marbles, 8 green marbles and 5 blue marbles.
Find the probability that you randomly pick and replace marbles 3 times and get no red marbles.
Answer as a percent to the tenths place.
What is 83.8%?
1-(30/55*30/55*30/55) = 1-(0.545*0.545*0.545)
= 100-16.2
All possible outcomes of an experiment.
What is sample space?
The probability of rolling a sum of 5 with two dice.
What is 1/9?
4/36
(1,4) (4,1) (2,3) (3,2)
An event in which the first outcome does not affect the second outcome
What is an independent event?
Three cards are drawn from a deck, one at a time, without replacement.
Find P(Ace of hearts, 2 of diamonds, 3 of clubs).
Write as a fraction in lowest terms.
What is 1/132,600?
1/52 * 1/51 * 1/50 =
There are 3 yellow marbles, 4 green marbles and 3 blue marbles. Without replacement, what is the probability of getting 2 yellow marbles?
What is 1/15?
3/10 *2/9
An event for which the outcome of one event affects the probability of the other
What are dependent events?
The probability that you roll a dice and it lands on a number divisible by 3.
What is 1/3?
{3,6} 2/6
A coin is tossed and two dice are rolled. Find the probability of landing heads and two sixes. Write as a decimal to the hundredths place.
What is 0.014
1/2*1/6*1/6
What is the probability of not pulling a face card or a diamond from a standard deck of cards?
What is 15/26?
1 - (12/52+13/52-3/52)
=1-22/52
A bag of marbles has 6 blue marbles, 4 yellow marbles, and 3 orange marbles. Marbles are chosen and not replaced in the bag.
Find P(3 blue marbles).
Write as a percent.
What is 7%?
6/13 *5/12 *4/11=
1/13 * 5/1 *2/11
A box has 4 blue marbles, 3 red, 2 white, and 1 green. Find the probability of pulling out a white marble and flipping heads on a fair coin. Write as a decimal to the tenths place.
What is 0.1?
1/5 *1/2
Four six-sided dice are rolled. Find the probability of rolling four of a kind. Write as a percent to the hundredths place.
What is 0.46%
6/1,296
In a box, there are 8 red, 7 blue and 6 green balls. Three balls are removed from the box. What is the probability that all three balls are red? Write as a percent to the tenths place
What is 4.2%
8/21 * 7/20 *6/19
=4/95