Question

1. In a lot of 80 bulbs 5 bulbs are defective. Find the probability of getting good one.
Two coins are tossed 100 times and outcomes recorded as follows.
No. of Head
2
1
0
Frequency
200
500
250
Find the probability of getting one Head​

Answer 1

1) probability of getting good one=75/80=15/16

probability of getting one head=500/950=10/19