Sum of Probabilities

Q.

What does the term given mean in probability?

Q.

Sum of probabilities of all the elementary events of an experiment is always 1.

1. True

2. False

Q.

What is Bayes Theorem?

Q.

Which of the following options is correct?

1. $P\left(\overline{E}\right)-P\left(E\right)=1$

2. $P\left(E\right)=1+P\left(\overline{E}\right)$

3. $P\left(E\right)+P\left(\overline{E}\right)=1$

4. $P\left(E\right)\times P\left(\overline{E}\right)=1$

Q. There are two types of books: Fiction and Nonfiction. The probability of selection a fiction book is


\begin{tabular}{|c|c|c|} \hline Books & Fiction & Nonfiction \\ \hline Number of books & 24 & 36 \\ \hline \end{tabular}