The probability of a razor blade to be defective is 0.002. The blades are in packet of 10. The number of packets containing no defective blades in a stock of 10,000 packets is:

9802 Explanation: 1. Given Data: Probability of defective blade ( ) = 0.002 Number of blades per packet ( ) = 10 Total packets in stock ( ) = 10,000 2. Mean ( ): 3. Poisson Probability for : 4. Calculation: Using : The correct option is (b) 9802 .

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