compound events
1/221
A drawer has 7 forks, 4 spoons, 5 knives whats the probability of having 3 forks?
1/16
A pair of dice are tossed. Find the probability that the sum of the dice is 8 given that the sum is even.
5/18
P(10,7)
604,800
C(10,4)
210
What is the probability of rolling a 3 or 6 on one toss of a dice?
1/3
A drawer has 7 forks, 4 spoons, 5 knives whats the probability of having 3 spoons?
1/140
What is the probability that the 2 of diamonds will be selected from a deck of 52 cards given that the card selected is not black?
1/26 or 3.8%
A briefcase lock has 3 rotating cylinders , each containing 10 digits. How many numerical codes are possible?
1,000 codes
How many committees of 5 students can be selected from a class of 25?
53,130 committees
C(25,5)
The probability of selecting at least 3 white crayons when 4 crayons are selected from a box containing 7 white crayons and 5 blue crayons?
14/33
A laundry bag contains 5 red, 9 blue, and 6 white socks what is the probability of 2 red being selected at random?
1/19
A bag is filled with 4 red marbles, 5 blue marbles, 6 green marbles, and 7 purple marbles. What is the probability that green marble will be selected given that it is not blue?
6/17
p(9,3)*6
3,024
C(12,4) x C(8,3)
27,720
What is the probability of selecting a queen or a red card from a standard deck of cards?
7/13
There are 52 cards in a deck what are the odds of pulling 5 aces?
0
a box has 12 candy bars: 3 snickers, 4 twix, and 5 kit kat. What is the probability of selecting a snickers given that it is not a twix?
3/8 or 37.5%
P(33,11)/P(18,9)
Round to the nearest whole number!!!
437,866
There are 169 people in a long line, how many ways can they be arranged
4.269*10^304
What is the probability of selecting 1 jazz, 1 country, and 1 rap CD in any order from 3 jazz, 2 country, and 5 rap CDs, replacing the CDs each time?
3/100
A local weather forecast states that there is a 70% of sunny weather on Wednesday. What are the odds of it being sunny on Wednesday?
7/3 or 7 to 3
A pencil pouch is filled with 6 red markers, 3 blue markers, 5 red pens, and 7 blue pens. What is the probability that a pen will be selected given that it is red
5/11 or 45.5%
nPr(21,4)/nPr(39,13)x nPr(39,13)
143,640
nCr(59,6)/nCr(4,2)
7,509,579