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G10 Probability & Stats Flashcards | StudBud
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G10 Probability & Stats
G10 Probability & Stats
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Probability questions for statistics class.
Flashcards
32 cards
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Practice quiz
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Questions
32
Answers
1
To calculate the mean
Determine which points value occurs most often
Add up the points and divide by 8
Subtract the largest and smallest numbers
Put the points in order and find the middle number
2
What is the symbol for the empty set?
∩
∅
Ω
⊂
3
Find the median number
9
17
13.8
11.5
4
If you spin twice, what is the probability you get a 7 and an even number?
1/9
1/6
2/3
1/3
5
What is the probability of rolling a number
greater than 4
?
1
1/3
1/2
0
6
A bag has 7 blue and 4 green fish. If you pick 2 without replacement whats the probability of one blue and one green?
28/121
21/121
21/110
28/110
7
What is Median?
The number in the middle.
The Average
A person who can speak to ghosts.
The Number that appears the most.
8
What is the odds of rolling a 7 when you roll one standard die one time?
1/6
0
5/6
3/6
9
A women has three sons. What is the probability that her next child will be a girl?
0
1/2
1/4
1/8
10
The area shaded in green is which of the following?
A ∩ B
The complement of A
A ∪ B
None of these.
11
On a single roll of a standard die, what is the probability that a 3 will NOT appear?
0
1/6
5/6
3/6
12
What is the probability that a number less than 7 will appear when you roll a die one time?
0
1/6
1
1/2
13
If an event is
certain to occur
, it has a probability of zero.
False
True
14
Two dice are rolled. What is the probability that the sum is 12?
1/6
1/36
0
1/12
15
If an event is
impossible
, it has a probability of zero.
False
True
16
If the probability of an event happening is ¼, then the probability of it not happening is ¾.
True
False
17
How do you calculate the Range?
The number in the middle of a set of Data.
Use a tape measure.
The number in the middle of a set of Data.
Subtract smallest number from the largest number.
18
What is mode?
The score that occurs the most frequently.
The score in the middle of ordered data.
The average.
Found by adding all scores and dividing by the # of scores.
19
What is the probability of the empty set, P(∅)?
0
1/2
3/4
1
20
What is the probability that you draw a
diamond
from a well-shuffled deck of cards?
0
1/4
1/2
1/13
21
Two coins are tossed. What is the probability of getting two heads, P(HH)?
1
1/4
1/2
0
22
An event with a probability of 0.1 ...
is very likely to occur.
is not very likely to occur.
cannot occur.
is certain to occur.
23
What is wrong with this pie chart?
Wrong Colors
The percents don't add up to 100%
Names aren't inside slices
Is not flat
24
The area shaded in green is which of the following?
A ∩ B
A ∪ B
The complement of A
None of these.
25
Find the mode.
10
35
20
25
26
What are dependent events?
Events where the probabilities ARE related.
Events where the probabilities ARE NOT related.
27
What is the probability that you draw the
ace of diamonds
from a deck?
1/4
1/13
1/52
0
28
Two events are independent if the occurrence of one doesn't affect the probability of the other
True
False
29
What are independent events?
Events where the probabilities ARE NOT related.
Events where the probabilities ARE related.
30
What is the probability that you draw an
ace
from a well-shuffled deck?
1/4
1/13
0
1/2
31
The area shaded in green is which of these?
The complement of A
A ∪ B
A ∩ B
None of these.
32
Bar Chart
17
21
19
13
