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Unit 8- Probability and Statistics Test Review Flashcards | StudBud
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Unit 8- Probability and Statistics Test Review
Unit 8- Probability and Statistics Test Review
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Questions
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Answers
1
A soccer team roster has 14 players. How many groups of 11 players can be created?
364
6
14,529,715,200
2184
2
25% of the students scored above ___
85
88
90
77
3
Find P(choosing a King|a heart was already drawn)
\frac{1}{4}
\frac{4}{52}
\frac{4}{13}
\frac{1}{13}
4
Permutation or Combination: "Choosing a pitcher, catcher and first baseman."
Permutation
Combination
5
Find the mode of the data set below.
23.938
5
22.5
35
6
There are 12 people trying out for the baseball team. How many ways can the coach choose 6 for batting practice?
479,001,600
924
665,280
720
7
You roll a die 150 times, how many times do you expect to roll a 3 or a 4?
25
60
75
50
8
Permutation or Combination: "Arranging 6 different books on a shelf."
Permutation
Combination
9
A bag contains 3 blue , 6 red and 8 white marbles. Find P(not choosing a blue marble)
\frac{14}{17}
\frac{1}{3}
\frac{1}{17}
\frac{3}{17}
10
How many different burgers can you make with 3 cheeses, 4 condiments and 8 toppings if you are choosing one of each?
5,806,080
15
96
455
11
75 WHS students were asked, "Should school start later?" 34 responded, "Yes." What is the population?
75 WHS students
All HS students
All WHS students
34 WHS students
12
Sample type- A politician stands outside the grocery store and asks every 10th person if taxes should be lowered.
System Random Sample
Voluntary Sample
Cluster Sample
Simple Random Sample
13
The standard deviation of the height of 25 three year olds is 2.5 inches. Is this a statistic or a parameter?
Statistic
Parameter
14
In how many ways can you arrange 5 of the numbers from 1 - 7 without repetition?
2520
120
35
5040
15
What percentage of students scored below 85?
100%
75
25%
50%
16
Which of the following statements is FALSE?
P(choosing a sophomore|someone who likes Kat Kat was chosen)=\frac{10}{32}
P(choosing a freshman) = \frac{76}{211}
P(choosing a senior or someone who likes Skittles)=\frac{116}{211}
P(choosing a sophomore or a junior)=\frac{86}{211}
17
The 2021 graduating class of WHS earned 22.4 million dollars in scholarships. Is this a statistic or a parameter?
Statistic
Parameter
18
Find the probability of choosing a Face Card or a Heart from a standard deck of cards.
\frac{12}{52}\times\frac{13}{51}
\frac{25}{52}
\frac{38}{52}
\frac{22}{52}
19
Find the median of the data set below.
35
22
23
22.5
20
Determine the sampling method used
Stratified Sample
Voluntary Response Sample
Convenience Sample
Simple Random Sample
