Three cooks X, Y and Z bake a special kind of cake, and with respective probabilities 0·02, 0·03 and 0·05, it fails to rise. In the restaurant where they work, X bakes 50%, Y bakes 30% and Z bakes 20% of cakes. What is the proportion of failures caused by X ?
Mathematics
2020
NDA Mathematics 2020
NDA 2020
Options
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