Answer:
13
Step-by-step explanation:
5+4+3+1=13
.857
6/7 = about .8571
rounded to thousandth is .857
P(A or B) is 0.72
Given : P(A) = 0.3 and P(B) = 0.6
To Find:P(A or B) = P(A∪B)
Solution :
We are given that A and B are two independent events
Property : If A and B are independent events then
So,
Formula :
Hence P(A or B) is 0.72