Combinations/Permutations
Find the value.
P(6,6)
720
Find the value.
C(7,4)
35
A box contains 3 tennis balls, 7 softballs, and 11 baseballs. One ball is chosen at random. Find the probability of selecting a softball. (Answer as a percentage)
33%
Determine if the pair of events is independent or dependent.
The probability of randomly selecting two navy socks from a drawer that contains 6 black and 4 navy socks.
dependent
Find the value.
(P(12,8))/(P(6,4)
55,440
C(4,3)*C(5,2)
40
A box contains 3 tennis balls, 7 softballs, and 11 baseballs. One ball is chosen at random. What is the probability that the ball is not a baseball? (Answer in fraction form)
10/21
Determine the probability.
The probability of randomly selecting two navy socks from a drawer that contains 6 black and 4 navy socks.
2/15
State whether the event is independent or dependent.
Selecting members for a team.
dependent
State whether the event is independent or dependent.
tossing a penny, rolling a die, then tossing a dime
independent
Of 7 kittens in a litter, 4 have stripes. Three kittens are picked at random. Find the odds of all three having stripes.
4/31
DAILY DOUBLE!!
What is the probability of rolling a sum of 7 on the first toss of two number cubes and a sum of four on the second toss?
1/72
If you toss a coin, then roll a die, and then spin a 4-colored spinner with equal sections, how many outcomes are possible?
48
If a group of 10 students sits in the same row in an auditorium, how many ways can they be arranged?
3,628,800
The probability of being accepted to attend a state university is 4/5. What are the odds of being accepted to this university?
4/1
What is the probability of choosing a penny or a dime from 4 pennies, 3 nickels, and 6 dimes.
10/13
How many baseball lineups of 9 players can be formed from a team that has 15 members if all players can play any position?
5005
How many ways can 7 classes be scheduled, if each class is offered in each of 7 periods?
5040
A local weather forecast states that the probability of rain on Saturday is 80%. What are the odds that it will not rain Saturday? (Hint: Rewrite the percent as a fraction)
1/4