are Exercises (1) Revenues generated by 2500 small-scale traders normally distributed Records indicate that the trader generating more than 300 in given week are 84.13% while the chances of generatering chances of any any 13- revenues of revenues which deviate from the mean by less than 89 are 34%. 4 Determine and standard deviation the weekly generaled. (ij One of the traders claims that the chances of generating revenues which deviate from the mean by at least 100 are 38.3%. Check if his claim is legitimate , (ii) three traders are picked at random. Determine the Prehability that onlys of them generates at most half of the mean revenue. Check if your answer would still hold true if 20 traders are picked at random