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Probability Not AP Flashcards | StudBud
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Probability Not AP
Probability Not AP
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probability questions, basic not for AP Statistics
Flashcards
20 cards
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Questions
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Answers
1
The probability of Julie being late to first period is 1/5. What is the probability she is on time two days in a row?
1/25
1/125
1/5
16/25
2
The probability of Julie being late to first period is 1/5. Interpret.
Over many trials we expect Julie to be late 20% of the time
If Julie is on time 10 days in a row, she will likely be late the next day
There is a 20% chance Julie is late TOMORROW.
In a week we expect Julie to be late one day.
3
What is the probability a King GIVEN that you know you picked a heart?
1/4
4/52
1/13
13/52
4
In a standard deck of cards, what is the probability of selecting a queen?
3/26
4
2/52
1/13
5
Which of the following is
incorrect
about complementary events?
Complementary events together are all the possible outcomes
In a coin toss, the complement of tails is heads
P(E) + P(not E) = 1
Complementary events must occur at the same time
6
find the probability of skipping breakfast given you are 14-17
14/54
24/36
14/36
24/90
7
Find the probability that a random person from the sample is wearing yellow or has blue eyes?
42/62
52/62
12/62
40/62
8
Alex spins this spinner 80 times. What is the expected number of times red comes up?
4
40
50
80
9
A couple has three children. What is the probability of having all boys given that at least two of them are boys.
1/2
1/8
3/8
1/4
10
A couple has three children. What is the probability of having all the same gender. (make a tree diagram may help)
1/16
1/8
1/4
1/2
11
How many gender outcomes are possible if a couple has 4 children
8
32
2
16
12
Which of the following venn diagrams demonstrates the region of A ∩ B?
B
D
A
C
13
Why was there a charter bus in the parking lot at Pope at 7:15 this morning?
Taking the softball team to Columbus
Taking the volleyball team to Knoxville
Taking the softball team to Macon
Taking cross country team to Carrollton
Returning one of the STEM field trip folks who got lost
Sever's Uber
14
What spirit day is Friday
White out
Pink out
Superhero day
Blue out
15
Which of the following venn diagrams demonstrates the region of (A ∪ B)' ?
A
B
D
C
16
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
If E is certain, P(E) = 100
P(not E) = - P(E)
17
What is the probability of choosing a Jack or a black card?
46/52
4/52
28/52
30/52
18
Which venn diagram shows events that are mutually exclusive?
C
A
B
D
19
The following venn diagram shows holiday preferences. How many people like to go to the beach?
27
22
12
15
20
From the following venn diagram, what is the probability that a person does NOT do running?
14/26
19/26
9/26
17/26
