What is the probability of rolling a prime number on a 6 sided dice cube?
50%
For the data above, how many people were involved?
200
What is probability?
The chance that some event could occur
How would the following statement read?
P(A) = 0.35
The probability of event A is 35%
A collection of probabilities that adds up to exactly 1 or 100%. They account for all the options that could occur involving a circumstance.
A newspaper poll was taken to determine the probable winner in an election for mayor. The probability that Andrews will win is 0.4, while the probability that Egan will win is 0.3. What is the probability that either Andrews or Egan will win?
70%

How many students are Male and have an LG phone?
20
Which inequality represents the probability, x, of any event happening?
0<=x<=1
How would you read the following expression:
P(A or B) = 0.15
The probability of events A or B occurring is 15%
What is the complement an event?
The chance that the event WILL NOT occur
You have 15 shirts in a drawer.
· 6 black shirts, · 7 red shirts, · 2 white shirts
If you randomly select a shirt from the drawer, replace it and then choose another shirt, what is the probability you will select a black shirt and then a white shirt?
4/75

What is the probability of a person chosen at random being Female?
103/200
Does this represent a probability distribution? Why or why not?

No! The probabilities don't add up to 100% they add up to 110%
How would the following expression read:
P(A and B) = 0.15
The probability of events A and B is 15%
What does mutually exclusive events mean?
These are events that cannot occur at the same time.
There are 7 runners in a race, how many ways can they arrange their places?
7! = 5040

What is the probability of a person having an LG phone given that they are male?
20/97
Is creating a 4-digit pin from 9 possible numbers a Permutation or a Combination?
Permutation
How would the following expression read:
P(A | B) = 0.67
The probability of A given B is 67%
What does it mean for two events to be independent?
These two events do not influence or change the probability of the other event.
What is the probability of getting a flush (all 5 cards as one suit) in poker?
About 0.198%
12/51 * 11/50 * 10/49 * 9/48

Given that a person has a Samsung phone, what is the probability that they are Female?
40/70 = 4/7
If the probability of me not going to work is 0.01%, then what is the probability of the complement?
99.99%
P(A | B ∩ C) = 0.57
The probability of event A given events B and C occurred is 57%
What is the difference between a permutation and a combination?
Permutations account for position/order and combinations could be arranged in any order or choice.