2017年5月IB数学SL真题下载-Paper2
1.Consider the following frequency table.
(a) (i) Write down the mode.
(ii) Find the value of the range.
(b) (i) Find the mean.
(ii) Find the variance.
2.
3.Consider the graph of f(x)=ex/5x-10, for x ≠ 2 .
(a) Find the y-intercept.
(b) Find the equation of the vertical asymptote.
(c) Find the minimum value of f (x) for x > 2 .
4.In a large university the probability that a student is left handed is 0.08. A sample of 150 students is randomly selected from the university. Let k be the expected number of left-handed students in this sample.
(a) Find k .
(b) Hence, find the probability that
(i) exactly k students are left handed;
(ii) fewer than k students are left handed.
5.The following diagram shows the chord [AB] in a circle of radius 8 cm, where AB = 12 cm .
2017年5月IB数学SL真题余下省略！
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