Probability
What is probability of flipping a Tail on a coin?
50%
What is the name of the group where data is usually collected?
A Sample
|x-33|=5
x=38, 28
Give an example of messages that can have bias'
advertisements, newspaper headings, statements...
Official name of the class (Not Quantitative Reasoning)
Math 1060/1060L
What is probability of flipping Heads 4 times in a row?
1/16=6.25%
Name 5 different measures of central tendency
mean, median, range, variance, std deviation, mode
5x-3y=14
3x+2y=23
x=97/19,y=73/19
Which question would produce an unbiased response? [a] "Do you like shiny black sports cars?" [b] "Are cats better than dogs?" [c] "Do you prefer water or pop?" [d] "Has the Prime Minister done a horrible job with the Budget?"
C. Do you prefer water or pop?
Alexander Nix, Steve Bannon, Nigel Oaks
What is a probability of you coming to class or not coming to class?
100%
What type of sampling technique would be best for determining what type of movies a class enjoys most? [a] Experiments [b] Surveys [c] Counting [d] Measuring
B. Surveys
-2x^(2)+5x+12=0
x=-3/2, x=4
What is survivorship bias?
When you only use example of people who have succeeded and fail to mention the ones who failed
When am I graduating?
May 2022
Define a formula for finding a probability of an event
#of favourable outcomes divided by number of total outcomes
Explain Emperical Rule or what percentages are used for however many std deviation
68-95-99.7%, 1-2-3 std deviations away from the mean
radical of -72
6i radical of 2
what are the 3 ways to conduct a study that we have discussed in the class?
survey, experiment and observation
Where am I from?
Belarus/ Russia
If P(A)=3/8, what is probability of its complement?
5/8=62.5%
The 22 students in Ms. Smith's 2nd grade class each have a sibling or a pet. If 14 students have a sibling and 18 students have a pet, how many students have both a sibling and a pet?
10
example of what bias is purchasing a car based on the brand and the car model, but not the mileage. Imagine a 2020 Porsche 911 turbo for $10,000 — sounds like a steal until you find out that there’s 400,000 miles on it.
What is the name of a person sitting on the third row first column in your classroom?
Lauren