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Q20: Paper 2 – June 2022
Q20: Paper 2 – June 2022
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20)
Lorena gets a train at the same time each morning to go to work.
She gets a train at the same time each evening to come home.
The probability tree diagram shows the probabilities of each train arriving late.
(a) Complete the probability tree diagram.
20)
Lorena gets a train at the same time each morning to go to work.
She gets a train at the same time each evening to come home.
The probability tree diagram shows the probabilities of each train arriving late.
(a) Complete the probability tree diagram.
[2 marks]
For a day that Lorena goes to work,
(b) work out the probability that the train to work and the train home will both arrive late
[2 marks]
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