Find the range of this set of data
10,14,17,20,30,8,11,13,15,16,18,20,25
What is 22
100
Solve:
6!
What is 720
100
Events A and B are disjoint. Find P(A or B)
P(A)=4/15 P(B)=8/15
What is 4/5=0.8
200
Find the mean of the data
10,14,17,20,30,8,11,13,15,16,18,20,25
What is 16.69
200
Simplify: 18P3
What is 4,896
200
Events A and B are dependent. Find P(A and B)
P(A)=8/15 P(B)=5/14
What is 4/21=0.19
300
Find the median of the set of data
10,14,17,20,30,8,11,13,15,16,18,20,25
What is 16
300
Simplify: 12C4
What is 495
300
You randomly choose a marble from a bag of 9 blue marbles and 11 green marbles. You randomly draw another marble after replacing the first marble. What is the probability of drawing two green marbles back-to-back?
What is 121/400=0.30
400
Find the lower quartile of the set of data
10,14,17,20,30,8,11,13,15,16,18,20,25
What is 12
400
In how many ways can 8 children line up in one row to have their picture taken?
What is 40,320
400
Each number from 1-10 is put on a seperate slip of paper and placed in a hat. You randomly choose one slip of paper, do not replace it, and choose another slip of paper. What is the probability of getting a number less than 3 and then another number greater than 7?
What is 1/15=0.07
500
Find the upper quartile of the set of data
10,14,17,20,30,8,11,13,15,16,18,20,25
What is 20
500
A company wants to send 3 of its 10 sales representatives to a conference. How many different groups can the company choose.
What is 120
500
Each number from 1-18 is put on a seperate slip of paper and placed in a hat. What is the probability of selecting a number divisible by 5 or a number divisible by 3?