Real Life Probability
There are 420 students in Deez High School. Out of the 420 students, 69 students have a D average in math. What is the probability of randomly selecting a student who doesn't have a D average in math?
351/420
Events that cannot occur at the same time. If one event happens, the other event cannot happen.
Mutually Exclusive Events
Context: Beya is an All-Star basketball player; she has a shooting success rate of 95%. In a game against TMI, she takes 40 shots. What is the probability of her making all her shots?
Question: What distribution is the question above?
Binomial Distribution
How many Unit 4 homework were there?
8
J.C. heard that a shocking 30% of Form 12 students has watched Skibidi Toilet. There are 70 students in Form 12 and 270 students in the entire school. What is the probability of randomly selecting a From 12 student that has watched Skibidi Toilet from the entire school?
21/270
The probability of an event (A), given that another (B) has already occurred.
Conditional Probability
Context: You accidentally slept through the Unit 4 review and has to guess on 10 questions of the test. Considering that the 10 questions have 5 possible answers, what is the probability of guessing 9 question correctly?
Question: What distribution is the question above?
Binomial Distribution
What language was the guessing true/false probability assignment in?
Chinese
In Friendship High School, Landon is friends with 99 students, but Jay is only friends with 33 students. Out of the 99 friends that Landon have, 13 are also friends with Jay. What is the probability of randomly selecting a student who is not friends with Landon, given that the student is friends with Jay?
20/33
A variable that can only take on specific, isolated values. It is characterized by a countable set of possible outcomes.
Discrete Random Variable
Context: Genevieve is a master stone-skipper. When the stones touches the water, there is a 44% chance that the stone will jump. What is the probability that the stone sinks on the 6th jump?
Question: What distribution is the question above?
Geometric Distribution
What date did we take the Unit 4 test on?
December 5th
Mr. Molina loves his 66 AP Stats students, but he has doubts on how they performed on their AP exams, so he found the probability of 3s, 4s, and 5s on his students' practice exams. 12% got 3s, 38% got 4s, and 8% got 5s. What is the probability of randomly selecting a student who got a 5 on the practice exam given that they passed? (round the humans up to nearest ones digit)
6/39
An experiment that can have only two possible outcomes.
Bernoulli Trial
Context: Bella is choosing the super team for her statistic group quiz. She really wants Melianna on her team, but there is only a 11% chance of the random generator choosing Melianna. What is the probability that Bella chose Melianna on the 2nd try?
Question: What distribution is the question above?
Neither (not independent)
Which Unit 4 homework was titled "Venn Diagrams Unions and Intersections?"
Homework 3