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Geo A Unit 13 Review probability Flashcards | StudBud
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Geo A Unit 13 Review probability
Geo A Unit 13 Review probability
15 terms
·
StudBud Administration
·
6 plays
probability up to inference statistics
Flashcards
15 cards
F
Practice quiz
P
Host live
L
Questions
15
Answers
1
If
P
(
A
) = 0.3,
P
(
B
) = 0.5, and
P
(
A
∪
B
) = 0.6, then
P
(
A
∩
B
) is_________.
0.6
0.2
0.3
0.5
2
If
P
(
A
) = 0.3,
P
(
B
) = 0.5, and
P
(
A
∪
B
) = 0.6, then
P
(
A
|
B
) is_________.
0.4500
0.4000
0.5000
0.8333
3
If 1 flight is randomly selected, find the probability that it was An A airlines
0.917
0.448
0.434
0.379
4
If 1 flight is randomly selected, find the probability that it was Late?
0.126
0.154
0.554
0.545
5
Are the events ‘A Airlines’ and ‘late” mutually exclusive?
Yes
No
6
You have a bag of marbles with 3 green, 2 red and 5 blue. You pick one marble, find P(Red
C
)
30%
50%
80%
20%
7
If 1 flight is randomly selected, find the probability that it was An A airlines or late
0.448
0.0690
0.505
0.545
8
What is the probability that you have this new disease and that you test positive for it?
95%
90%
4.5%
45%
9
If 1 flight is randomly selected, find the probability that it was An A airlines and late?
0.154
0.846
0.545
0.0690
10
You have a bag of marbles with 3 green, 2 red and 5 blue. You pick one marble, find P(Red)
50%
2%
30%
20%
11
What is the probability that you test positive for the disease?
20%
23.5%
90%
95%
12
If 1 flight is randomly selected, find P(T|A)
33/76
33/43
33/87 = 11/29
33/39 = 11/13
13
If 1 flight is randomly selected, find P(A|T)
33/39 = 11/13
33/43
33/76
33/87 = 11/29
14
What is the probability that you have the disease given that you test positive for it?
4.5%
5.6%
23.5%
19.1%
15
You have a bag of marbles with 3 green, 2 red and 5 blue. You pick TWO marbles and keep them both, find P(Both Red)
2/10 * 1/9
2/10 * 2/9
2/10 * 8/10
2/10 * 2/10
