
Let B =
Calculate

A. 2,056
B. 1,224
C. 986
D. 3,286
正解:B
質問 2:
The table below shows the distribution of the number of people in each household in a village.

Determine which of the following inequalities is true for the number of people living in a house.
A. Mode < Median < Mean
B. Mode < Mean < Median
C. Median < Mode < Mean
D. Median < Mean < Mode
正解:A
質問 3:
The first term of an arithmetic sequence is 12 and the ninth term is 68.
Calculate the sum of the first 18 terms.
A. 1,287
B. 1,350
C. 1,413
D. 1,165
正解:A
質問 4:
Calculate the indefinite integral:

A)

B)

C)

D)

A. Option C
B. Option A
C. Option D
D. Option B
正解:D
質問 5:
Determine which of the following statements are not true.

I). In a histogram the height of each rectangle equals the frequency of the interval
II). A box-plot chart is constructed to show the following values: Mean, Median, Upper Quartile, Minimum and Maximum
III). The set of data 2,2,5,7,8,8,9,10,11,12,14,16, 20 can be represented by the following frequency table:
A. II and III
B. II
C. I and III
D. All of them
正解:D
質問 6:
An insurance company sells policies where, for each policy, the policyholder pays the first GBP50 of the cost of any claim. A claim reported to the insurance company takes some unknown value GBPx.
Identify which of the mathematical expressions below represents the cost in GBP to the insurance company of the claim.
A. max(x - 50, 0)
B. x
C. x - 50
D. max(x, 50)
正解:A
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