Mathematics (AS & A Level) · May / June 2019 · Paper 72 · Question 5
9709
As printed in the paper
The question as text
The manufacturer of a certain type of biscuit claims that 10% of packets include a free offer printed on the packet. Jyothi suspects that the true proportion is less than 10%. He plans to test the claim by looking at 40 randomly selected packets and, if the number which include the offer is less than 2, he will reject the manufacturer’s claim.
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
5(i)[1]
5(ii)[3]
5(iii)[3]
5(iv)[1]
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