Choose the correct answer from the given four options: If A and B are such events that $\text{P}(\text{A})>0$ and $\text{P}(\text{B})\neq1,$ then $\text{P}\Big(\frac{\text{A}'}{\text{B}'}\Big)$ equals to:
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- 1View SolutionChoose the correct answer from the given four options.
For the following probability distribution E(X) is equal to:X-4-3-2-10P(X)0.10.20.30.20.2 - 2View SolutionA flash light has 8 batteries out of which 3 are dead. IF two batteries are selected without replacement and tested, then the probability that both are dead is,
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- 6View SolutionChoose the correct answer from the given four options.
A flashlight has 8 batteries out of which 3 are dead. If two batteries are selected without replacement and tested, the probability that both are dead is: - 7Let A and B be two events such that P(A) = 0.6, P(B) = 0.2, P(A|B) = 0.5. Then $\text{P}(\overline{\text{A}}|\overline{\text{B}})$ equals.View Solution
- 8The probability distribution of a discrete random variable X is given below:View Solution
The value of k is:$\text{X}:$ $2$ $3$ $4$ $5$ $\text{P}(\text{X}):$ $\frac{5}{\text{k}}$ $\frac{7}{\text{k}}$ $\frac{9}{\text{k}}$ $\frac{11}{\text{k}}$ - 9View SolutionA bag containe 5 black, 4white balls and 3 red balls. if a ball is selected randomwise, the probability that it is black or red ball is,
- 10If A and B are two independent events with $\text{P(A)}=\frac{1}{3}$ and $\text{P(B)}=\frac{1}{4},$ then P(B'|A) is equal to:View Solution