A-Level
AQA
Mathematics
June 2019
QP-201906-Mathematics-US2 · Question 4
Question (excerpt):
*08* IB/M/Jun19/MA04 outside the box 4 The length, L cm, of bolts produced by a machine can be modelled by L N (3.5, 0.3 2) A random sample of n bolts is taken. 4 (a) Given that n = 20, find P(𝐿𝐿ത > 3…
*08* IB/M/Jun19/MA04 outside the box 4 The length, L cm, of bolts produced by a machine can be modelled by L N (3.5, 0.3 2) A random sample of n bolts is taken. 4 (a) Given that n = 20, find P(𝐿𝐿ത > 3…
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