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FST Review 6.1-6.2 - 1/05/24 Flashcards | StudBud
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FST Review 6.1-6.2 - 1/05/24
FST Review 6.1-6.2 - 1/05/24
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probability questions, basic not for AP Statistics
Flashcards
21 cards
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Questions
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Answers
1
Alex spins this spinner 80 times. What is the expected number of spinning red?
4
50
40
80
2
Find the probability of skipping breakfast.
38/90
14/54
24/90
14/90
3
After 80 spins, Jackie got red 44 times. What is the relative frequency of spinning red?
1/2
0.55
13/20
.44
4
In a standard deck of 52 cards, what is the probability of not choosing a King?
46/52
4/52
23/26
12/13
5
In a standard deck of 52 cards, what is the probability of selecting a queen?
1/13
2/52
4
3/26
6
A card is drawn out of a deck of 52 cards, find the probabilitiy of drawing a red card or king
4/52
none of these
28/52
30/52
7
In a family, there is a mom, dad, two daughters and a son. They take turns to wash the dishes.
1/4
3/5
1/2
2/5
8
Name the original artist who wrote this song
Dolly Parton
Madonna
Taylor Swift
Lady Gaga
9
From the following venn diagram, what is the probability that a person does riding or running?
19/26
14/26
9/26
7/26
10
The following venn diagram shows holiday preferences. How many people like to go to the beach?
27
12
15
22
11
A card is drawn from a deck of 52 cards. Find the probability of drawing a red king
there are no red kings
28/52
2/52
30/52
12
Which venn diagram shows events that are mutually exclusive?
B
C
A
D
13
Which of the following venn diagrams demonstrates the region of A "AND" B?
B
C
A
D
14
Which of the following venn diagrams demonstrates the region of A "OR" B?
B
A
D
C
15
A basketball player has a .85 probability of making a free throw. He misses 5 in a row, what is true about the next toss
The probability is lower than .85
The probabaility is higher than .85
He/She should play a different sport
The probability is exactly .85
16
On the following spinner, what is the probability of getting
not
green?
1
3/4
1/2
1/4
17
How many gender outcomes are possible if a couple has 4 children
16
32
2
8
18
A couple has four children. What is the probability of having all the same gender.
1/8
1/2
1/4
1/16
19
Find the probability that a random person from the sample is wearing yellow or has blue eyes?
52/62
40/62
42/62
12/62
20
Which of the following is
incorrect
about complementary events?
In a coin toss, the complement of tails is heads
Complementary events together are all the possible outcomes
P(E) + P(not E) = 1
Complementary events must occur at the same time
21
In probability, which of the following is true?
P(not E) = - P(E)
a sample space is the area of a sample
a sample space is the set of all possible outcomes
If E is certain, P(E) = 100
