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Statistics Probability (AC10)
Statistics Probability (AC10)
15 terms
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StudBud Administration
Australian Curriculum Year 10 Probability and statistics
Flashcards
15 cards
F
Practice quiz
P
Host live
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Questions
15
Answers
1
P(
A
U
B
) =
P(A ∩ B)/P(A)
P(A) + P(B) - P(A ∩ B)
2
Complete: The probability of an event is
any positive number
a number between 0 and 1
3
The middle value of an ordered set of data is the
median
mode
mean
percentile
4
The shaded area is
A' ∩ B
A U B
5
What is this formula for?
Calculating the nice
Calculating the mean
Calculating the standard deviation
Calculating the mode
6
What is the mean of 1, 2, 6 ?
6
3
4
1
7
The probability of B given A is
P(B|A) = P(A ∩ B) / P(A)
P(B|A) = P(A) + P(B)
8
What is the range of the following numbers? 1, 2, 2, 8, 9, 14 ?
14
13
10
12
9
Events A and B are
Mutually exclusive
Complementary
10
What is the median of 1,2,2,4,5,9
2
3
5
9
11
Which is a measure of spread?
Median
Average
Interquartile range
Mode
12
The shaded area is
A UB
A ∩ B
13
P(A∩B) is
The probability of A AND B
The probability of A OR B
14
Which of the following divides a set of data into four equal groups?
Complements
Percentiles
Maxima
Quartiles
15
If F and G are complementary events, which statement must be true?
P(F) = 0.2, P(G) = 0.3
P(F) = 0.25, P(G) = 0.75
