Mathematics (AS & A Level) · May / June 2021 · Paper 62 · Question 4
9709
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The question as text
Wendy’s journey to work consists of three parts: walking to the train station, riding on the train and then walking to the office. The times, in minutes, for the three parts of her journey are independent and have the distributions N15.0, 1.12 , N32.0, 3.52 and N8.6, 1.22 respectively.
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4(a)[2]
4(b)[3]
4(c)[3]
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