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?
(annoyingly) Everyone starts clapping after a pilot gets everyone out of the commotion caused by this noun
turbulence
This adjective is feasible
Viable
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?
Not to be confused with ethereal, this adjective is ephemeral
transient
Players of online games are largely aware that the games collect their data, and they’re often willing to trade some privacy for a fun experience. But the games are often quite ______blank about what data they collect and why. Because of this, data-privacy advocates are seeking to expand online players’ knowledge of data collection practices and improve their ability to navigate privacy-setting features in games.
Which choice completes the text with the most logical and precise word or phrase?
A. opaque B. abrasive C. ambivalent D. outspoken
A. Opaque
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?
When I ask for violent reactions, you can expect them to be full of this noun
virulence
According to a US tax policy expert, state taxes are ______ other factors when considering an interstate move. Even significant differences in state taxation have almost no effect on most people’s decisions, while differences in employment opportunities, housing availability, and climate are strong influences.
Which choice completes the text with the most logical and precise word or phrase?
A. consistent with B. representative of C. overshadowed by D. irrelevant to
C. Overshadowed by
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?
You might expect a spy on a clandestine mission to do everything in this way.
surreptitiously
Before the Mariner 2 mission completed a successful flyby of Venus in 1962, astronomers’ ideas about the planet were little more than ______. Venus’s atmosphere is so thick that Earth-based observations had yielded very little information about the planet.
Which choice completes the text with the most logical and precise word or phrase?
A. summations B. conjectures C. conclusions D. exemplifications
Conjectures
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 verb sharpens metal into strong blades, but it also stirs strong emotions
whet
In a 2020 paper, Arya Udry et al. cautioned that although similarities in the isotopic signatures of elements detected in Mars’s atmosphere and in Martian meteorites recovered on Earth make it tempting to treat the geochemical properties of the meteorites as ______ those of Mars’s interiors, Mars’s geology cannot be ascertained based solely on meteorite-sample analyses.
Which choice completes the text with the most logical and precise word or phrase?
A. contrivances of B. proxies for C. catalysts of D. deterrents to
B. proxies for
This word does triple duty as a city name, the name of an animal & a verb meaning to baffle or perplex
Buffalo