Question

if 2% electric bulbs manufactured by a certain company are defective, find the probability that in a sample of 200 bulbs; (a) less then 2 bulbs are difcetive.(b) more then 3 bulbs are defective

Answer 1

Defective bulbs =2 percent of 200=4
Total bulbs=200
Less than 2 bulbs =2/200=1/100