Question: 11. A recently developed car has two important components A and B. The probability of failure of A and B are 0.2 and 0.1. What

11. A recently developed car has two important components A and B. The probability of failure of A and B are 0.2 and 0.1. What is the probability that the car will fail? 12. A manufacturing rm is engaged in the production of steel pipes in its three plants with a daily production of 1000, 1500 and 2500 units respectively. Based on the past experience, it is known that the fractions of defective pipes produced by the three plants are respectively 0.04, 0.09 and 0.07. If a pipe is selected from a day's total production and found to be defective, nd out: i.What is the probability of the defective pipes? ii.What is the probability that it has come from the second plant? 13. What is the probability of getting 53 Mondays in a leap year

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