Question

pls ans it, its urgent​

Answer 1

Answer:

Step-by-step explanation:

Number of good bulbs = 100-30 =70

Total number of bulbs = 100

P(getting good bulb) = 70/ 100 or 7/10

or 0.7

HOPE IT HELPS !

Answer 2

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no of total bulb is 100

no of defective bulb is 30

so no of bulb which is not defective is 100- 30 is 70

so the probability is 70/100=7/10