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Probability Review for FST Flashcards | StudBud
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Probability Review for FST
Probability Review for FST
20 terms
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probability questions, basic not for AP Statistics
Flashcards
20 cards
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Questions
20
Answers
1
In a standard deck of cards, what is the probability of selecting a queen?
1/13
3/26
4
2/52
2
Which of the following is
incorrect
about complementary events?
P(E) + P(not E) = 1
Complementary events together are all the possible outcomes
In a coin toss, the complement of tails is heads
Complementary events must occur at the same time
3
Which of the following venn diagrams demonstrates the region of A and B?
D
B
A
C
4
From the following venn diagram, what is the probability that a person does riding or running?
7/26
14/26
9/26
19/26
5
In a standard deck of cards, what is the probability of not choosing a King?
46/52
23/26
12/13
4/52
6
In a family, there is a mom, dad, two daughters and a son. They take turns to wash the dishes.
1/2
1/4
3/5
2/5
7
A card is drawn from a deck. Find the probability of drawing a red king
2/52
30/52
28/52
there are no red kings
8
After 80 spins, Jackie got red 44 times. What is the experimental probability of spinning red?
13/20
0.55
1/2
.44
9
A card is drawn out of a deck, find the probabilitiy of drawing a red card or king
4/52
none of these
30/52
28/52
10
In probability, which of the following is true?
a sample space is the area of a sample
a sample space is the set of all possible outcomes
P(not E) = - P(E)
If E is certain, P(E) = 100
11
Find the probability of having no mac or no pc.
.01
.99
.49
none of these
12
A couple has four children. What is the probability of having all the same gender.
1/4
1/16
1/2
1/8
13
On the following spinner, what is the probability of getting
not
green?
3/4
1
1/4
1/2
14
Which venn diagram shows events that are mutually exclusive?
B
D
C
A
15
Alex spins this spinner 80 times. What is the expected number of spinning red?
40
50
4
80
16
Find the probability that a random person from the sample is wearing yellow or has blue eyes?
42/62
40/62
52/62
12/62
17
A basketball player has a .85 probability of making a free throw. He misses 5, what is true?
The prob. of making next FT is higher than .85
The prob of making next one is lower than .85
The prob of making the next one is exactly .85
These events are not independent.
18
How many gender outcomes are possible if a couple has 4 children
32
8
16
2
19
The following venn diagram shows holiday preferences. How many people like to go to the beach?
15
12
22
27
20
find the probability of skipping breakfast.
14/54
24/90
14/90
38/90
