Mathematics (AS & A Level) · Oct / Nov 2023 · Paper 53 · Question 1
9709
As printed in the paper
The question as text
Becky sometimes works in an office and sometimes works at home. The random variable X denotes the number of days that she works at home in any given week. It is given that PX = x = kxx + 1 , where k is a constant and x = 1, 2, 3 or 4 only.
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1(a)[3]
1(b)[3]
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