First slide

Theorems of probability

Question

The probabilities of two events A and B are 0.3 and 0.5 respectively. The probability that both A and B occur is 0.2. The probability that neither A nor B occur is

Moderate

A

0.4
B

0.6
C

0.5
D

0.7

Solution

_{$\begin{matrix} p (\bar{A} \cap \bar{B}) = 1 - p (A) - p (B) + p (A \cap B) \\ = 1 - 0.3 - 0.5 + 0.2 = 0.4 \end{matrix}$}

Get Instant Solutions

When in doubt download our app. Now available Google Play Store- Doubts App

Recieve an sms with download link

Doubts App

OR

SCAN ME

Doubts App

Doubts App