on checking trunk containing bulbs it was found that there are 600 bulbs and 75 of them are defective find the probability of selecting a bulb at random which is non defective.
Answers
Answered by
10
Number of defective bulbs = 75
Total number of bulbs = 600
Number of non defective bulbs
= 600-75
= 525
Probability = No. of favorable outcomes/Total number of outcomes
= 525/600
= 105/120
= 21/24
= 0.875
________________
Total number of bulbs = 600
Number of non defective bulbs
= 600-75
= 525
Probability = No. of favorable outcomes/Total number of outcomes
= 525/600
= 105/120
= 21/24
= 0.875
________________
Answered by
6
no of bulbs = 600
no of defective bulbs= 75
no of bulbs working properly = 600-75=525
probability of selecting bulb which is non defective =525/600
=0.875
no of defective bulbs= 75
no of bulbs working properly = 600-75=525
probability of selecting bulb which is non defective =525/600
=0.875
Similar questions