Fake KIPP Collegiate
With and Without Replacement
What are the odds?
the Union Formula
Probability Facts and Vocab
100
the table shows juniors and seniors who plan on attending the student vs. teacher basketball game. Determine P(junior)
106/220 or 53/110 or 0.48
100
When one outcome does not affect the next, their probabilities are ________________
independent
100
There are 3 green, 2 yellow, 7 pink and 8 blue marbles in a bag. What is the probability of choosing a blue? SIMPLIFY
2/5 or 0.40
100
Determine P(Job U 1998)
354/513 or 0.69
100
Probabilities must always be between these 2 numbers
0 and 1
200
the following is a table of students who plan on attending the student vs. teacher basketball game. what is P(senior ∩ attending)
7/20 or 0.35
200
There's a 35% chance that you're stuck in traffic on any given day. If each day is independent, determine the probability of being in traffic for 4 days in a row. Give 3 decimal places.
0.015
200
There are 3 green, 2 yellow, 7 red and 6 blue candies in a pack. What is the probability of choosing a green or red candy? SIMPLIFY
5/9 or 0.56
200
determine P(Military U 1968)
258/513 or 0.50
200
the probability that something will NOT happen is called a
complement
300
the following is a table of students who plan on attending the student vs. teacher basketball game. what is P(junior ∩ not attending)
16/55 or 0.29
300
The bag contains 20 marbles. One marble is drawn at a time without replacement. Determine the probability of 3 consecutive blue marbles being drawn to 3 decimal places. 
0.018
300
Determine
P(military nnn 1998)
37/513 or 0.072
300
The probability that a record company will sign a rap artist is 0.25, the probability that they will be sign an R&B singer is 0.21, and the probability that it will sign both artists is 0.13. What is the probability that the company will sign one of the two artists?
0.33
300
when the outcome of one event changes outcomes for future events, the events are ____________
dependent
400
the tree diagram shows the proportions of students who reviewed and passed the final exam.
Find P(reviews ∩ fails)
0.08
400
Determine the probability that you will NOT draw the green ball on 3 consecutive draws without replacement. Round to TWO decimal places.
0.67
400
determine P(military|1998)
37/292 or 0.127
400
Suppose that, for any given year, the probabilities that the stock market declines and that gas prices increase are 0.21 and 0.45 respectively. If the probability that one of the two happens is 0.47, what's the probability that BOTH occur?
0.19
400
the probability of multiple things happening is called this
intersection
500
determine P(did not review | pass)
include 3 decimal places rounded correctly
0.065
500
Each year, 67% of all animal car accidents involve deer. Assuming years are independent, what is the probability that in 3 consecutive years, at least one animal car accident involves a deer? Use 3 decimal places.
0.964
500
determine P(1998 U college)
348/513 or 0.68
500
113 out of 200 seniors are either varsity athletes or on the honor roll. 74 seniors are varsity athletes and 12 seniors are both. What is the probability that a randomly selected senior is on the honor roll?
51/200 or 0.255
500
the probability that one thing will happen GIVEN something else has already occured
conditional