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​Q10: Question – Paper 2 – June 2019

Helpful Links

Content:

• Probability Trees – Part 1
• Probability Trees – Part 2​

Quizzes:

• Probability Trees

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Question

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10)
Mary travels to work by train every day.
The probability that her train will be late on any day is 0.15

a) Complete the probability tree diagram for Thursday and Friday.

[2 marks]​

b) Work out the probability that her train will be late on at least one of these two days.

[3 marks]​

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