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Probability and Statistics
Review
The Chapter 10 test is on Friday and the
project is due next week.
5th pd – Wednesday, April 2nd
8th pd – Monday, March 31st
You roll a standard number cube. Find
P(number greater than 1)
1. 6
5
2. 5
6
3.
1
6
4. 1
Fastest Responders (in seconds)
Teesha is in the French club. There are 26 students in the club.
The French teacher will pick 3 students at random to guide visiting
students from France. What is the probability that Teesha will not
be picked as a guide?
1.
3
26
2.
29
26
3.
23
26
4.
3
29
Fastest Responders (in seconds)
You have the numbers 1–24 written on slips of paper. If
you choose one slip at random, what is the probability
that you will not select a number which is divisible by 3?
1.
3
8
2.
1
3
3.
5
8
4.
2
3
Fastest Responders (in seconds)
The probability of the complement of an
event is ____ less than the probability of the
event itself.
1. sometimes
2. always
3. never
Fastest Responders (in seconds)
Participant Scores
In a batch of 960 calculators, 8 were found to be defective.
What is the probability that a calculator chosen at random
will be defective? Write the probability as a percent. Round
to the nearest tenth of a percent.
1.
2.
3.
4.
74.4%
0.8%
99.2%
1.1%
Fastest Responders (in seconds)
A cell phone company orders 500 new phones from a
manufacturer. If the probability of a phone being defective
is 2.6%, predict how many of the phones are likely to be
defective. Round to the nearest whole number.
1.
2.
3.
4.
16 phones
13 phones
11 phones
130 phones
Fastest Responders (in seconds)
If you roll a number cube 60 times and use the results to
calculate the experimental probability of rolling a 1, the
experimental probability of rolling a 1 will ____ be less than
the theoretical probability of rolling a 1.
1. sometimes
2. always
3. never
Fastest Responders (in seconds)
You toss a coin and roll a number cube. Find
P(heads and an even number).
1.
1
12
2.
1
4
3.
1
6
4.
1
Fastest Responders (in seconds)
Participant Scores
Suppose you choose a marble from a bag containing 2
red marbles, 5 white marbles, and 3 blue marbles. You
return the first marble to the bag and then choose again.
Find P(red and blue).
1.
3
5
2.
7
10
3.
1
2
4.
3
50
Fastest Responders (in seconds)
In a word game, you choose a tile from a bag, replace it,
and then choose another. If there are 21 vowels and 15
consonants, what is the probability you will choose a
consonant and then a vowel?
1.
35
8
2.
35
4
3.
35
144
4.
1
36
Fastest Responders (in seconds)
If A and B are independent events and
P(A) and P(B) are both greater than ½ ,
then P(A and B) is ____ greater than 1.
1. sometimes
2. always
3. never
Fastest Responders (in seconds)
You have three $1 bills, four $5 bills, and two $10 bills in
your wallet. You select a bill at random. Without
replacing the bill, you choose a second bill at random.
Find P($10 then $1).
1.
1
12
2.
5
81
3.
5
72
4.
2
27
Fastest Responders (in seconds)
Participant Scores
A basket contains 11 pieces of fruit: 4 apples, 5 oranges,
and 2 bananas. Jonas takes a piece of fruit at random
from the basket, and then Beth takes a piece at random.
What is the probability that Jonas will get an orange and
Beth will get an apple?
1.
9
10
2.
9
11
3.
20
121
4.
2
11
Fastest Responders (in seconds)
Thomas, Jenna, and Maria are playing a game. They have a bag
that contains 42 white tiles and 4 red tiles. Each player takes turns
picking a tile at random and does not return the tiles to the bag.
The player who draws a red tile first is the winner. In the first
round, Thomas goes first, then Jenna, and then Maria, and none
of them draws a red tile. What is the probability that Thomas will
win the game on his second turn?
1.
2
21
2.
4
43
3.
2
23
4.
4
45
Fastest Responders (in seconds)
Which type of video
was rented most
often? Use the graph
to find the answer.
1.
2.
3.
4.
Comedy
Children’s
Action
Drama
Fastest Responders (in seconds)
What percent of the
movies rented were
comedy movies? Use
the graph to find the
answer.
1.
2.
3.
4.
10%
15%
45%
30%
Fastest Responders (in seconds)
Participant Scores
Interval Frequency Cumulative
Frequency
45–52
?
6
53–60
?
23
61–68
?
32
69–76
?
41
77–84
?
75
85–92
?
134
1.
2.
3.
4.
6, 17, 9, 9, 34, 59
7, 30, 39, 48, 82, 141
6, 17, 6, 26, 15, 60, 74
7, 16, 16, 25, 50, 84
The cumulative
frequencies of each
interval have been given.
Use this information to
complete the frequency
column.
Fastest Responders (in seconds)
List a set of data values that can be represented by the
box-and-whisker plot shown.
1. 4, 5, 6, 7, 8, 9, 11, 13, 14,
15, 16
2. 4, 6, 8, 11, 15, 16
3. 4, 5, 6, 9, 11, 15, 16
4. 4, 6, 7, 11, 15, 16
Fastest Responders (in seconds)
The circle graph shows how the
average American family spends
its money. Explain why the graph
is misleading.
1.
2.
3.
4.
A family with an annual income of $32,000 spends about $2000
clothing.
The sections of the graph do not add to 100%, so the percent fo
least one type of expense is not represented.
Some people might believe that transportation is a major expen
The amount of money spent on transportation and food exceed
amount of money spent on housing.
Fastest Responders (in seconds)
Identify the sample space and
the outcome shown for spinning
the game spinner.
1.
2.
3.
4.
Sample space: {W, X, Y, Z}
Outcome shown: Z
Sample space: {V, W, X, Y, Z}
Outcome shown: X
Sample space: {W, Y, Z}
Outcome shown: X
Sample space: {W, X, Y, Z}
Outcome shown: X
Fastest Responders (in seconds)
Participant Scores
Outcome
Frequency An experiment consists of spinning a
red
8
purple
12
yellow
10
1.
11
15
2.
2
5
3.
3
5
4.
4
15
spinner. Use the results in the table
to find the experimental probability
that the spinner does not land on
purple. Express your answer as a
fraction in simplest form.
Fastest Responders (in seconds)
A manufacturer inspects 800 personal video players and finds
that 798 of them have no defects. What is the experimental
probability that a video player chosen at random has no
defects?
1.
2.
3.
4.
99.5%
0.25%
99.75%
97.5
Fastest Responders (in seconds)
A manufacturer inspects 500 personal video players and finds
that 496 of them have no defects. The manufacturer sent a
shipment of 2000 video players to a distributor. Predict the
number of players in the shipment that are likely to have no
defects.
1. 16
2. 1840
3. 496
4. 1984
Fastest Responders (in seconds)
An experiment consists of rolling a number cube. Find
the theoretical probability of rolling a number greater
than 4. Express your answer as a fraction in simplest
form.
1.
2
3
2.
1
6
3.
1
2
4.
1
3
Fastest Responders (in seconds)
Participant Scores
In an election, 59% of the voters voted for a new school
tax. What is the probability (as a percentage) that a
randomly-selected voter did not vote for the tax?
1.
2.
3.
4.
44%
41%
59%
31%
Fastest Responders (in seconds)
At a carnival game, you may win an inflatable crayon,
you may win a small stuffed animal, or you may win
nothing at all. If the probability of winning nothing is 0.69
and the probability of winning a small stuffed animal is
0.17, what is the probability of winning an inflatable
crayon?
1.
2.
3.
4.
0.14
0.31
0.86
0.83
Fastest Responders (in seconds)
The probability of drawing a green marble
from a marble bag is 40%. What are the
odds in favor of drawing a green marble?
1.
2.
3.
4.
5:2
3:2
2:3
2:5
Fastest Responders (in seconds)
A grab bag contains 3 football cards and 7 basketball cards. An
experiment consists of taking one card out of the bag, replacing it, and
then selecting another card. What is the probability of selecting a
football card and then a basketball card?
1.
2.
3.
4.
0.49
0.09
0.21
0.23
Fastest Responders (in seconds)
Participant Scores
Only 3 questions left !!!!!!
Mrs. Green likes to serve two different kinds of
vegetables with dinner. She has carrots, peas, okra, and
green beans in her refrigerator. How many different sets
of two vegetables can she serve? Tell whether this
situation is a combination or a permutation.
1.
2.
3.
4.
6, combination
12, combination
6, permutation
12, permutation
Fastest Responders (in seconds)
0
0
Participant 1
Participant 2
0
0
0
Participant 3
Participant 4
Participant 5
There are 8 singers competing at a talent show.
In how many different orders can the singers
appear?
5,040
56
64
40,320
6
7
8
9
10
11
12
21
22
23
24
25
26
27
28
29
30
31
32
13
14
15
16
17
18
19
0
5
0%
,3
2
4
0%
40
3
0%
64
2
5,
04
1
0
0%
56
1.
2.
3.
4.
20
Fastest Responders (in seconds)
0
0
Participant 1
Participant 2
0
0
0
Participant 3
Participant 4
Participant 5
Pat has 9 flowerpots, and she wants to plant a different
type of flower in each one. There are 11 types of
flowers available at the garden shop. In how many
different ways can she choose the flowers?
19,958,400
110
99
55
5
6
7
8
9
10
11
12
21
22
23
24
25
26
27
28
29
30
31
32
13
14
15
0
11
4
8,
40
3
,9
5
2
19
1
16
17
0%
18
0%
19
55
0%
0
0%
99
1.
2.
3.
4.
20
Fastest Responders (in seconds)
0
0
Participant 1
Participant 2
0
0
0
Participant 3
Participant 4
Participant 5
Final Scores
0
0
Participant 1
Participant 2
0
0
0
Participant 3
Participant 4
Participant 5