Statistics and Probability
A research lab is conducting a survey. The entire population of interest is 50,000 people, and they decide to randomly select a group of 5,000 of those people to survey, without bias. The measured average is 85. What is the approximate average for the entire population?
What is 85?
Line L is defined by the equation y = 4x + 7 - y. Line M is perpendicular to line L. What is the slope of line M?
What is -1/2?
It's the company run by Tony, aka Iron Man
Stark Industries
Set A = {1, 4, 7, 9, 12, 13, 24}. What is the sum of the mean, median, and range of set A?
What is 42?
An upward facing parabola is defined by f(x) = 3x2 - 12x + 17. What is the minimum value of this function?
What is 5?
This adjective describes an entire school of thought associated with a 17th c. Frenchman, not just his math coordinates
Cartesian
There are 275 total people at an event. Everyone is assigned to either group A, group B, or group C. If one person is selected at random, the probability of selecting a person from group A is 0.44, and the probability of selecting a person from group B is 0.24. How many people are in group C?
What is 88?
The function f is defined by f(x) = 1/(2x - 1). What is the domain of the function f(x + 2)?
What is all real numbers except -3/2?
An act of Feb. 12, 1873 made this 3-word Latin phrase mandatory on all U.S. coins
e pluribus unum
A six-sided die is rolled three times. What is the probability that the first roll will be a 2, the second roll will be either a 4 or a 5, and the third roll will be either a 1, 2, or 6? Express your answer as a simplified fraction.
What is 1/36?
The equations y = x2 and y = 4x - k form a system, where k is a constant. If the system has one real solution, what is the value of k?
What is 4?
Cash with no value may be called this alliterative term, something that comes in denominations of $1 to $500
Monopoly money
The mean score of 8 players in a basketball game was 14.5 points. If the highest individual score is removed, the mean score of the remaining 7 players becomes 12 points. What was the highest score?
What is 32?
A polynomial function has a single root at x = 4, a single root at x = -2, and a double root at x = -3. If this polynomial function is written in the form f(x) = x4 + bx3 + cx2 + dx + e, what is the value of e (the constant term)?
What is -72?
This word does triple duty as a city name, the name of an animal & a verb meaning to baffle or perplex
Buffalo