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?
Tickets numbered 1 to 20 are mixed up then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5?
What is 9/20?
Multiples of 3 or 5: 3,6,9,12,15,18,5,10,20
What is the probability of rolling a 7 on a six-sided die?
What is 0?
Determine all possible combinations for an outfit using 2 hats, 5 different shirts, 3 pairs of pants and 3 pairs of shoes.
What is 90 outfits?
2*5*3*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?
The chance of getting heads on any given coin flip is 1 in 2. So what is the chance of getting heads 5 times in a row?
What is 1/32?
1/2 *1/2 * 1/2 * 1/2 * 1/2
You roll a fair six-sided number cube. What is the probability you do not roll a 2?
What is 5/6?
In a class of 5 girls and 5 boys, students' names are put in a hat. What is the probability of pulling a boys' name from the hat, putting it to the side then pulling a girls' name?
What is 5/18?
5/10 * 5/9
A card is drawn from a deck of cards. What is the probability that the card picked is a king or a heart?
What is 4/13?
4/52 + 13/52 - 1/52
There are 5 purple, 6 green, and 5 blue marbles in a hat. You pick 2 marbles from the hat, and do not return them after they have been drawn. What is the probability that the first marble is GREEN and the second marble is PURPLE?
What is 1/8?
6/16 *5/15
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).
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?
What is the probability of rolling a 6 then rolling again and getting a 2 on a fair, six-sided die?
What is 1/36?
1/6 *1/6
Spinner 1 has the numbers 1-9 on it and spinner 2 has 3 orange sections, 2 blue, 2 red, and 1black section.
Find P(odd number and orange). Write as a percent to the tenths place.
What is 20.8%
5/9 *3/8
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).
What is 10/143?
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