Mathematics (AS & A Level) · May / June 2016 · Paper 61 · Question 5
9709
As printed in the paper
The question as text
Plastic drinking straws are manufactured to fit into drinks cartons which have a hole in the top. A straw fits into the hole if the diameter of the straw is less than 3 mm. The diameters of the straws have a normal distribution with mean 2.6 mm and standard deviation 0.25 mm.
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5(i)[3]
5(ii)[5]
5(iii)[1]
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