CA CPT 2013 Dec Question Paper Quantitative Aptitude for online practice
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Question : 39 of 50
Marks:
+1,
-0
Find the expected value of the following probability distribution :
| X | -20 | -10 | 30 | 75 | 80 |
| P (x) | 3/20 | 1/5 | 1/2 | 1/10 | 1/20 |
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