NCERT Class XI Mathematics - Probability - Solutions
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Question : 11
Total: 54
Suppose 3 bulbs are selected at random from a lot. Each bulb is tested and classified as defective (D) or non-defective (N). What is the sample space for this experiment?
Solution:
The sample space S for selecting three bulbs at random from a lot is
S = {DDD, DDN, DND, NDD, DNN, NDN, NND, NNN}.
S = {DDD, DDN, DND, NDD, DNN, NDN, NND, NNN}.
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