Basic Probability
Compound Probability
Addition Rule
Conditional Probability
Independent vs. Dependent
100
The probability of rolling a die and getting a 5
What is 1/6
100
The probability of rolling a two dice and getting a 6 on the first one and a 4 on the second.
What is 1/36
100
The probability of A is given P(A) = .4 and the probability of B is given P(B)=.25. If the Probability of the intersection (A AND B) is .13, Find the probability of choosing A OR B. Hint - use the addition rule!
.52
100
A bag contains 5 red balls and 3 green balls. If one ball is drawn at random and it's green, what's the probability the next ball drawn (without replacement) will also be green?
6/56 = 3/28
100
Definition of an independent event
The event does not change based on what happens prior to it
200
The probability of flipping a coin and getting tails. (Say the probability as a percent)
What is 50%
200
The probability of rolling two dice and getting an even number on the first die and an odd number on the second?
What is 1/4
200
The probability of drawing a 5 or a diamond from a deck of cards. (Don't have to reduce)
What is 16/52
200
A standard deck of 52 cards has 4 suits: hearts, diamonds, clubs, and spades. Suppose one card is drawn at random.
Given that the card is red, what is the probability that it is a heart?
1/2
200
Definition of a dependent event
The probability of the event will change based on what has happened prior to it
300
The probability of drawing a 6 from a deck of cards (Reduce the fraction)
What is 1/13
300
A bag contains 3 red, 4 blue, and 5 green marbles. What is the probability of picking two marbles, without replacement, where the first marble is red and the second marble is blue?
1/11
300
The probability that you roll a 2 or a multiple of 2 on a 6-sided die. (Reduce)
1/2
300
True or False: P(A|B)=P(B|A)
What is false
300
The probability of rolling two dice
What is independent
400
As a percent, the probability of rolling a die and getting a multiple of 3
What is 33.3%
400
The probability that you roll three dice and get a 1 on the first, an odd number on the second, and a 4 on the last.
What is 1/72
400
The probability that you pick a 7 or a spade from a deck of cards. (reduce)
what is 4/13
400
True or false:
Conditional probability can help determine the independence/dependence of an event.
What is true
400
The probability of drawing cards from a deck without replacement
What is dependent
500
The probability of drawing a spade from a deck of cards. (reduced fraction)
What is 1/4
500
There are 2 green marbles, 3 blue marbles, and 1 red marble. The probability of getting a green marble on the first pick and a red marble on the second with replacement
What is 1/18
500
The probability of drawing a red card or a diamond from a deck of cards. (Reduce)
What is 1/2
500
P(Car|16-35)
What is 40/50
500
P(red) and P(red|blue) are both 3/4
What is independent