Two dice are thrown. If it is known that the sun of the numbers on the dice was less than 6, than the probability of gettinga sum 3, is
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- 1If A and B are such that $\text{P}(\text{A}\cup\text{B})=\frac{5}{9}$ and $\text{P}(\overline{\text{A}}\cup\overline{\text{B}})=\frac{2}{3},$ then $\text{P}(\overline{\text{A}})+\text{P}(\overline{\text{B}})=$View Solution
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- 3The probability that in a year of $22^{nd}$ century chosen at random, there will be $53$ Sunday, isView Solution
- 4View SolutionIf P(A) + P(B) = 1; then which of the following option explains the event A and B correctly?
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If A and B are two events and $\text{A}\neq\phi,\text{B}\neq\phi,$ then: - 6Choose the correct answer from the given four options.View Solution
If A and B are two events such that $\text{P}(\text{A})=\frac{1}{2},\text{P}(\text{B})=\frac{1}{3},$ $\text{P}\Big(\frac{\text{A}}{\text{B}}\Big)=\frac{1}{4},$ then $\text{P}(\text{A}'\cap\text{B}')$ equals: - 7If P(A) = 0.4, P(B) = 0.8 and P(B|A) = 0.6 then $\text{P}(\text{A}\cup\text{B})=$View Solution
- 8If $\text{P(B)}=\frac{3}{5},\text{P}(\text{A}|\text{B})=\frac{1}{2}$ and $\text{P}(\text{A}\cup\text{B})=\frac{4}{5},$ then $\text{P}(\text{B}|\overline{\text{A}})=$View Solution
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The mean of the numbers obtained on throwing a die having written 1 on three faces, 2 on two faces and 5 on one face is