Simple Probability
Compound Probability
Measures of Central Tendency
box and whisker plot
steam and leaf
100
What is the probability that you will flip a coin two times and roll head and then tails?
1/4
100
If three coins are tossed simultaneously then what will be the probability of getting exactly two heads?
Probability of getting two heads = 3/8
100
what is the median of the numbers 13,14,17,12,25,20,23
17
100
what is the range
4
100
what is the mode
78
200
If you have a six sided number cube what is the probability you will roll an even number and then an odd number?
9/36 or 1/4
200
If you have 10 balls 4 are green and 3 are red the rest are blue. What is the probability you will pick a blue?
3/10
200
what is the range of
39,98,69,72,3000,1,000,000,000
999999961
200
what is the highest quartile
90
200
what is the mean
90.1
300
Which of these numbers cannot be a probability?
a) -0.00001
b) 0.5
c) 1.001
d) 0
e)1
f)20%
a & c
300
If you have 3 red candies, 9 blue candies, 12 green candies, and 4 orange candies what is the probability you will pick a candy that is not green?
16/28 or 4/7
300
what is the mean of
7,2,5,30,12,9,4,3
9
300
what is the median
500
300
find the range
48
400
Suppose a coin is flipped 3 times. What is the probability of getting two tails and one head?
1/8
400
If one has three six sided dice what is the probability of getting three 4s?
1/216
400
what is the mode of
12,12,34,45,45,69,69,69,12,69,96,12,12
12
400
what is the IQR
50
400
what is the mode
4
500
Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5?
A. 1/2
B. 2/5
C. 8/15
D. 9/20
D
500
Jenny goes to a shop and likes three soft toys. One is teddy bear, other is tweety bird and third one is a Donald duck. She has to choose two toys, and the first one she has chosen as tweety bird. Find the probability of choosing Donald duck as second toy.
First toy is tweety bird. Second toy has to options to be chosen from.
Probability of choosing a Donald Duck = 1/2
500
mean of the numbers
235,420,78,97,982
362.4
500
what is the IQR
8
500
find the mean
100.5
(rounded to nearest tenth)