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Grade: 10
`        A and b are two events such that p(a)=0.3 and p(AUB)=0.8 if a and b are two independent events then find p(b)`
2 years ago

## Answers : (1)

Nandana
110 Points
```							Hi, Given ,   p(A U B) = 0.8   p(A) =0.3   & A and B are independent events , so p(AB) = P(A)p(B)   p(A U B) = p(A) + p(B) – p(AB)    0.8 = p(A) + p(B) – p(A) p(B)     0.8-0.3 = p(B) [1- 0.3]from the above ,   p(B) = 0.714285714  appx. p(B) = 0.714
```
2 years ago
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