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IF r.v X : waiting time in minutes for bus and p.d.f of X is given by ` f(x) ={{:((1)/(5),0 le x le 5),(0,"otherwise ,"):}` then probabaility of waiting time not more than 4 minutes isA. 0.3B. 0.8C. 0.2D. 0.5 |
| Answer» Correct Answer - B | |