Independent/Dependent
Drawing a marble from a bag, replacing it, then drawing a second marble is an example of this type of event.
What is an independent event?
The probability of the complement of an event that has a 0.8 probability of occurring.
What is 0.2?
The expected mean helps us find?
What is the average?
The likelihood of an event happening, expressed as a number between 0 and 1.
What is probability?
Two events are called this when the outcome of one affects the probability of the other.
What are dependent events?
If there’s a 45% chance of rain tomorrow, this is the probability it won’t rain.
What is 55% or 0.55?
How many outcomes are there for 3 children? (Ex. BBB)
What is 8?
The sum of probabilities for all possible outcomes of an experiment always equals this number.
What is 1?
This is the probability of flipping a coin and getting heads, and then flipping a coin again and getting heads.
What is 0.25
When rolling a 6-sided die, the probability of not rolling a 6.
What is 5/6 or approximately 0.833?
When finding the expected value of a random variable. What is the next step after multiply X*P(x)
What is adding them up?
This term describes the probability that a specific event will NOT happen.
What is complementary probability?
In a deck of cards, drawing a king on the first draw and then drawing a queen without replacing the king is an example of this type of event.
What is a dependent event?
f the probability of a single event occurring is 0.35, then the probability of it not occurring is this.
What is 0.65?
For a game where you win $5 with probability 0.2, $10 with probability 0.1, and lose $2 with probability 0.7, the expected value of your winnings.
What is .6?
There are 2,500 students at shadow creek. If 326 of the students play sports. What is P(student play sports)?
What is 13%?
The probability of two independent events both happening can be found using this operation on their probabilities.
What is multiplication?
When the probability of a certain outcome is 1, the probability of its complement is this.
What is 0?
If a die is rolled, the expected value of the number shown is this.
What is 3.5?
What is the probability that I roll a six-sided die and P(5 and prime)?
What is 8.3% or .083?