Lernkarten
Was meint man wenn von "y percent" gesprochen wird?
19 DT: If k is an integer and 2 < k < 7, for how many different values of k is there a triangle with sides of lenghts 2, 7, k?
One
Two
Three
Four
Five
1 DT: Last month, a certain music club offered a discount to preferred customers. After the first compact disc purchased, prefered customers paid $3.99 for each additional CD. If a preferred customer purchased a total of 6 CDs and paid $15.95 for the first CD, then the dollar amount of that the customer paid for the 6 CDs is equivalent of to which of the following?
5(4.00)+15.90
5(4.00)+15.95
5(4.00)+16:00
5(4.00-0.01)+15.90
5(4.00-0.05)+15.95
15 DT: The product of all the prime numbers less than 20 is closest to which of the following powers of 10?
10^9
10^8
10^7
10^6
10^5
25 DT: If the untis digit of integer n is greater than 2, what is the units digit of n?
1 The units digit of n is the same as the units digit of n^2
2 The units digit of n is the same as the units digit of n^3
Statement 1 alone is sufficient, statement 2 alone is not sufficient
Statement 2 alone is sufficient, statement 1 alone is not sufficient
Both statements together are sufficient, but neither statement alone is sufficient
Each statement alone is sufficient
Statement 1 and 2 are NOT sufficient
What is defined as the MEDIAN?
Nothing
the median is the numerical value separating the higher half of a data sample, a population, or a probability distribution, from the lower half. The median of a finite list of numbers can be found by arranging all the observations from lowest value to hig
9 DT: A researcher computed the mean, the median and the standard deviation for a set of performance scores. If 5 were to be added to each score, which of these three statistics would change?
The mean only
The median only
The standard deviation only
The mean and the median
The mean and the standard deviation
6 DT: A marketing firm determined that, of 200 households surveyed, 80 used neither Brand A nor Brand B soap, 60 used only Brand A sopa and for every household that used broth brands of soap, 3 used only Brand B soap. How many of the 200 households surveyed used both brands of soap?
15
20
30
40
45
