The denominator changes.
What is a dependent event?
A girl has 5 skirts, 6 shirts, and 8 pairs of shoes. This is the number of different outfits she can wear.
The order matters.
What is a permutation?
A probability of 1.
What is the probability of a certain event?
What is a tree diagram?
Independent/Dependent: Picking a red marble, putting it back, picking a blue marble.
What is independent?
You toss a penny 4 times. This is how many different outcomes there are.
Permutation/combination: In a marathon, everyone gets a participation medal.
What is a combination?
(Number of times an event occurs)/(number of trials)
What is experimental probability?
A phrase that indicates conditional probability.
What is (any of the following):
at least one...
no...
exactly one...
same color
Independent/Dependent: Spinning a red and then a blue.
What is independent?
You go to Wal-mart to buy batteries. You can choose from EverReady, Duracell, or Ray-OVac. Once you decide on the brand you then have to decide whether to get alkaline or nonalkaline batteries. Finally you must decide between AAA, AA, C, or D batteries. This is the number of different kinds of batteries available for you to buy.
12 people run for president, vice-president, and secretary. This is the total number of ways the officers can be elected.
What is 1320?
A probability of greater than 0 and less than 1.
What is less likely?
Armani has 8 socks in a drawer: 5 are black, 3 are white. Armani takes out a sock, throws it away, and then takes out another sock. This is the probability that the socks are the same color.
What is 13/28?
Probability of rolling a 3 and then a 4.
What is 1/36?
The number of possible outcomes of rolling a six sided dice 3 times.
What is 216?
This is the number of different ways a committee of 5 students can be formed from 25 people.
What is 53,130?
The experimental probability gets closer to the theoretical probability.
What happens as the number of trials of an experiment increases?
Sharon and Lisa share an apartment. Sharon cooks dinner three nights out of ten. If Sharon does not cook dinner, then Lisa does. If Sharon cooks dinner the probability that they have pasta is 0.75. If Lisa cooks dinner the probability that they have pasta is 0.12. This is the probability that they have pasta.
What is 309/1000?
You have 5 red skittles, 3 green skittles, and 7 yellow skittles. The probability of picking a green, eating it, and then picking a yellow is...
What is 1/10?
The abbreviation is FCP.
What is the fundamental counting principle?
Math --> Prob --> nPr
How do you put a permutation in your calculator?
Compare the experimental probability of drawing a yellow to the theoretical probability of drawing a yellow:
The experimental probability is larger (14/30) compared to (1/3).
Maria travels to school either by walking or by biking. The probability that she cycles to school is 0.75. If she walks, the probability that she is late for school is 0.1. And if she cycles, the probability that she is late for school is 0.05. Find the probability that she is late for school.
What is 1/16?