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ALL MIGHTY MATHEMATICS EXAM

MATHEMATICS OBJ
1CBCDACDCCD
11AADBDACBBC
21BDDABDADAD
31CDACCCCCDA
41BBBCDCACDB

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THEORY

(1a)
Given A={2,4,6,8,…}
B={3,6,9,12,…}
C={1,2,3,6}
U= {1,2,3,4,5,6,7,8,9,10}

A’ = {1,3,5,7,9}
B’ = {1,2,4,5,7,8,10}
C’ = {4,5,7,8,9,10}
A’nB’nC’ = {5, 7}

(1b)
Cost of each premiere ticket = $18.50
At bulk purchase, cost of each = $80.00/50 = $16.00

Amount saved = $18.50 – $16.00
=$2.50
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(2)
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(3)
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(5a)
Total income = 32+m+25+40+28+45
=170+m
PR(²)=m/170+m = 0.15/1
M=0.15(170+m)
M=25.5+0.15m
0.85m/0.85=25.5/0.85
M=30

(5b)
Total outcome = 170 + 30 = 200

(5c)
PR(even numbers) = 30+40+50/200
=115/200 = 23/40

(1)
Clear.

(2a&b)

(4)

(5)

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Posted by examlinkup.com on August 17, 2020.

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