Question

16. A lot of 20 bulbs contain 12 good ones.One bulb is drawn a trandom from the lot. What is the probability that t
his bulb is defective?​

Answer 1

Answer:

2/5

Step-by-step explanation:

The bulb are 20

The defective ones are 8

8/20..

cancle them

2/5

Cuz

P= n(s)/n(e)

Probability = 8/20

Hence it is said...

Answer 2

Answer:

---------> Total bulbs = 20

---------> Good ones = 12

---------> Defective = 20 - 12 = 8

----------> P( defective bulbs ) = No. of fav. outcomes /Total no. of Outcomes

---------> P (E) = 8/20 = {2/5}

hope this helps dear