Mathematics (AS & A Level) · May / June 2018 · Paper 71 · Question 7
9709
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The question as text
The number of absences by girls from a certain class on any day is modelled by a random variable with distribution Po0.2 . The number of absences by boys from the same class on any day is modelled by an independent random variable with distribution Po0.3 .
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7(i)[3]
7(ii)[2]
7(iii)[7]
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