A-Level
AQA
Mathematics
January 2020
QP-202001-Mathematics-US2 · Question 7
Question (excerpt):
*12* IB/G/Jan20/MA04 box 7 (a) The diameters of pipes produced by machine A have a normal distribution with mean 14 millimetres and standard deviation 0.25 millimetres. Following a power cut, a random…
*12* IB/G/Jan20/MA04 box 7 (a) The diameters of pipes produced by machine A have a normal distribution with mean 14 millimetres and standard deviation 0.25 millimetres. Following a power cut, a random…
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