Probability
Permutation
Combination
Trig Facts
Word Problems
100
Louise wears an outfit everyday that consists of one top (shirt, t-shirt, or blouse), one bottom (pants or skirt), and one scarf. Her wardrobe consists of a tan skirt, a pair of black pants, 2 t-shirts, one silk blouse, 1 button down shirt, and a set of 3 scarves. How many different outfits can Louise put together?
24 outfits
100
6 P 4
360
100
12 C 5
792
100
Sin(0)
0
100
In a box of 25 switches, 3 are defective. What is the probability of randomly selecting a switch that is not defective?
88%
200
There are seven different singers competing in a talent show. In how many ways can the singers appear?
5,040 ways
200
8 P 5
6,720
200
7 C 3
495
200
Sin(30)
1/2
200
There are 12 E's among the 100 titles in Scrabble. What is the probability of selecting all 4 E's when selecting 4 tiles?
3/23,765
300
A person is selected at random. What is the probability that the person was NOT born on a Monday? Express your answer as a percent, rounded to the nearest tenth.
85.7%
300
8 P 3
336
300
8 C 2
28
300
Cos(200)
1/2
300
The table shows the results of rolling a dice with unequal faces. Find the experimental probability of rolling 1 or 6.
55%
400
An experiment consists of rolling a number cube. What is the probability of rolling a number greater than 4? Express your answer as a fraction in simplest form.
1/3
400
5 P 2
20
400
In a talent show, the top 3 performers of 15 will advance to the next round. In how many ways can this be done?
455 ways
400
Csc(270)
-1
400
Find the probability of rolling a number greater than 2 and then rolling a multiple of 3 when a number cube is rolled twice.
2/9
500
A grab bag contains 8 football cards and two basketball cards. An experiment consists of taking one card out of the bag, replacing it, and then selecting another card. What is the probability of drawing a football card and then a basketball card? Express your answer as by reduced fraction.
4/25
500
Six different books will be displayed in the library window. How many different arrangements are there?
720 arrangements
500
10 C 7
120
500
Sin(360)
0
500
A drawer contains 8 blue socks, 8 black socks, and 4 white socks. Socks are picked at random. Find the probability.
14/95
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