Doubt is in ques no 11
The last image is the solution of ques 11.In the circled part how the probability for following written portion has been assigned?
0.250×84+.500×69.49+.250×59.77
How the probabilities 0.250,0.50,0.250 have been calculated?
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Don’t look at the institute solution you will get confused about the calculation instead to it in the manner in which soil has taught in the class as well as in the review class you can watch the review class and you know where the problem is coming from.