The number of days in a working week, N, for which a lift has a problem has the following distributi
Question: The number of days in a working week, N, for which a lift has a problem has the following distribution.
| x | 0 | 1 | 2 | 3 | 4 | 5 |
| Pr(X=x) | 0.28 | 0.5 | 0.12 | 0.05 | 0.04 | 0.01 |
Find the expected number of days per working week for which the lift has a problem. (1.5 marks)
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Deliverables: Word Document
Deliverables: Word Document
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