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1. Compute C(1000,2) (a) 499500. (b) 1000000. (c) 2. (d) 999000. (e) None of the above. 2. Suppose that 80% of students taking calculus have previously had a trigonometry course. Of those that did, 75% pass their calculus class. Of those that did not, 30% pass calculus. What is the overall failure rate for calculus? (a) 52% (b) 34% (c) 59% (d) 41% (e) 27%
by Level 10 User (57.4k points)
102/(number of students)=40/100. Number of students=102*100/40=102*5/2=51*5=255.
by Top Rated User (651k points)

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