Question

Out of 200 bulns in a box ,12 bulbs are defective one bulb is taken out at random from the box.what is the probability that the drawn bulb is not defective

Answer 1

Total no. of bulbs in the box=200
no. of defective bulbs=12
no. of favoutable outcomes=200-12=188
probability of the event=188/200=47/50
HOPE IT HELPS YOU.

Answer 2

According to the Question :-

Total no. of cases = 200

Favourable cases => 200 – 12 = 188

Required probability = $\bf\huge\frac{188}{200}$

$\bf\huge\frac{47}{50}$