Misc Flashcards
1
Q
Is the number 0 considered an even number?
A
Yes
2
Q
What are the integers?
A
The set of integers is a subset of the real numbers, and consists of the natural numbers (0, 1, 2, 3, …) and the negatives of the non-zero natural numbers (−1, −2, −3, …).
3
Q
The Pythagorean Triple 7:24:25 may appear on the GRE.
A
Knowing and recognizing the four Pythagorean triples of 3:4:5, 5:12:13, 8:15:17, 7:24:25 can save time on test day.
4
Q
What proportion of data falls within two standard deviations of the mean of a normal distribution?
A
95 percent?