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Q8: Answers – Paper 3 – November 2017
Q8: Answers – Paper 3 – November 2017
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When a drawing pin is dropped it can land point down or point up.
Lucy, Mel and Tom each dropped the drawing pin a number of times.
The table shows the number of times the drawing pin landed point down and the number of times the drawing pin landed point up for each person.
When a drawing pin is dropped it can land point down or point up.
Lucy, Mel and Tom each dropped the drawing pin a number of times.
The table shows the number of times the drawing pin landed point down and the number of times the drawing pin landed point up for each person.
Rachael is going to drop the drawing pin once.
a) Whose results will give the best estimate for the probability that the drawing pin will land point up?
Give a reason for your answer.
a) Whose results will give the best estimate for the probability that the drawing pin will land point up?
Give a reason for your answer.
Stuart is going to drop the drawing pin twice.
b) Use all the results in the table to work out an estimate for the probability that the drawing pin will land point up the first time and point down the second time.
Question
8)
When a drawing pin is dropped it can land point down or point up.
Lucy, Mel and Tom each dropped the drawing pin a number of times.
The table shows the number of times the drawing pin landed point down and the number of times the drawing pin landed point up for each person.
When a drawing pin is dropped it can land point down or point up.
Lucy, Mel and Tom each dropped the drawing pin a number of times.
The table shows the number of times the drawing pin landed point down and the number of times the drawing pin landed point up for each person.
Rachael is going to drop the drawing pin once.
a) Whose results will give the best estimate for the probability that the drawing pin will land point up?
Give a reason for your answer.
a) Whose results will give the best estimate for the probability that the drawing pin will land point up?
Give a reason for your answer.
[1 mark]
Stuart is going to drop the drawing pin twice.
b) Use all the results in the table to work out an estimate for the probability that the drawing pin will land point up the first time and point down the second time.
[2 marks]