Question
(A) The number of laptops sold daily at a local electronics shop has the following probability distribution. X: No. of laptops sold 12 13 14
(A) The number of laptops sold daily at a local electronics shop has the following probability distribution.
| X: No. of laptops sold | 12 | 13 | 14 | 15 |
| P(X=x) | 0.4 | 0.3 | 0.2 | 0.1 |
- What is the mean of the number of laptops sold on a given day?
- What is the variance of the number of laptops sold on a given day?
NOTE (Please don't write the answer in a paper)
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CAT Paper 8 Implementing Audit Procedures
Authors: BPP Professional Education
1st Edition
0751723126, 978-0751723120
