Case-Study2 marksYear: 2023MediumCBSE Class 10
probabilityword-problemfund-collection
Question
(iii) (b) If the same amount of ₹5 has been decided for winning or losing the game, then how much fund had been collected by school? (Number of participants =99)
Solution
1
Number of participants =99, P(winning)=91
Number of persons won =11
+0.5 marks2
Number of persons lost =88
+0.5 marks3
Funds collected =88×5−11×5=440−55= ₹385
+1 mark