Probability and measures of position

Question 1

any subset of a sample space

Answer 1

event

Question 2

a ratio that compares the number of favorable outcomes to the number of possible outcomes

Answer 2

probability

Question 3

a result from an experiment

Answer 3

outcome

Question 4

describes the set containing all the elements that are in both A and B

Answer 4

intersection

Question 5

the set containing all the elements that are in A, B, or both

Answer 5

union

Question 6

any process or study that results in the collection of data, the consequences of which is unknown of uncertain

Answer 6

experiment

Question 7

numbers that divide an ordered data set into equal parts

Answer 7

fractile

Question 8

is a fractile that divides an ordered set into ten equal parts

Answer 8

decile

Question 9

values that divide a set of ranked data into one hundred equal parts

Answer 9

percentile

Question 10

a fractile that divides the set of data into four equal parts

Answer 10

quartile

Question 11

you roll a 6 sided die two times. what is the probability of rolling a 4 and then rolling a divisor of 9?

Answer 11

rolll 4: 1/6
divisor of 9: 2/9
1/6 x 1/3=1/18

Question 12

a couple plans to have 3 children. what is the probability that all three will be girls?

Answer 12

1/2 x 1/2 x 1/2=1/8