A consignment of 15 record players contains 4 defectives. The record players are selected at
1,939 views · Published 13 October 2018 · 3:14 · Indexed 24 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW A consignment of 15 record players contains 4 defectives. The record players are selected at random, one by one, and examined. The one is examined, are not put back. Then the probability that 9th one examined is the last defective, is
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