Total outcomes:
choosing a number from 1-20 and a color from 7 colors
140
100
In how many ways can a president, vice president, and secretary be randomly selected from a class of 25 students?
P: 13,800
100
A coin is tossed 50 mites and it lands on heads 28 times.
EP (h) = ?
14/25
100
A number cube is rolled and a coin is tossed.
P(5 and H) = ?
1/12
200
From a set of cards (1-20):
P(even number)
1/2
200
Total outcomes:
choosing scrambled, sunny-side up, or poached eggs with bacon or sausage and milk or orange juice
12
200
You have five seasons of your favorite TV show on DVD. If you randomly select 2 of them from a shelf, what is the probability that you will select season 1 first and season 2 second?
P: 1/20
200
A coin is tossed 50 mites and it lands on heads 28 times.
TP (h) = ?
1/2
200
A number cube is rolled and a coin is tossed.
P(even and T) = ?
1/4
300
From a set of cards (1-20):
P(multiple of 3)
3/10
300
Total outcomes:
choosing a bagel with one type of cream cheese from a list of 4 bagels and 3 cream cheeses
12
300
In how many ways can you select 4 volunteers out of 10?
C: 210
300
A number cube is rolled 20 times and lands on "1" 2 times and on "5" 4 times.
EP (5) = ?
1/5
300
A number cube is rolled and 2 coins are tossed.
P(2 and H and T) = ?
1/24
400
From a set of cards (1-20):
P(not 20)
19/20
400
Total outcomes:
rolling a number cube and tossing two coins
24
400
Of 12 web sites, in how many ways can you choose to visit 6?
C: 924
400
A number cube is rolled 20 times and lands on "1" 2 times and on "5" 4 times.
EP (not 1) = ?
9/10
400
A number cube is rolled.
P(4 or 5) = ?
1/3
500
From a set of cards (1-20):
P(not a factor of 10)
4/5
500
Total outcomes:
tossing a quarter, a dime, and a nickel
8
500
At a hot dog stand, customers can select three toppings from among chili, onions, cheese, mustard, or relish. What is the probability that three toppings selected at random will include onions, mustard, and relish?
C: 1/10
500
A number cube is rolled 20 times and lands on "1" 2 times and on "5" 4 times.
EP (not 5) = ?
4/5
500
3 red cards and 2 yellow are in a bag. If 2 cards are taken without replacement, find the following probability.
P(R then Y) = ?