Mathematics, 18.05.2021 14:00 asdf334asdf334
QUESTION 1
A mechanical engineer conducted a time study of a particular assembly operation on the assembly line.
Ninety per cent of the workers on the assembly line have at least two years experience, while the rest are
still trainees. He randomly selected 50 workers on the assembly line using stratified random sampling. How
many trainees did he include in his sample?
a) 5
b) 10
c) 45
d) 90
Answers: 3
Mathematics, 21.06.2019 16:00
Three cylinders have a height of 8 cm. cylinder 1 has a radius of 1 cm. cylinder 2 has a radius of 2 cm. cylinder 3 has a radius of 3 cm. find the volume of each cylinder ( ! : ”0 )
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Mathematics, 21.06.2019 16:30
What is the difference between regular convex and concave polygons
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Mathematics, 21.06.2019 17:30
What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9
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Mathematics, 21.06.2019 18:10
Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial
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QUESTION 1
A mechanical engineer conducted a time study of a particular assembly operation on the a...
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