$E_1$ and $E_2$ are two independent events of a random experiment with $P(E_1) = \frac{1}{2}$ and $P(E_1 \cup E_2) = \frac{2}{3}$. Match the items of List-$I$ with those of List-$II$.
List-$I$List-$II$
$A. P(E_2) =$$I. 2/3$
$B. P(E_1 | E_2) =$$II. 5/6$
$C. P(\bar{E}_2 | E_1) =$$III. 1/3$
$D. P(\bar{E}_1 \cup \bar{E}_2) =$$IV. 1/2$

  • A
    $A-III, B-IV, C-I, D-II$
  • B
    $A-III, B-IV, C-I, D-II$
  • C
    $A-III, B-IV, C-I, D-II$
  • D
    $A-III, B-IV, C-I, D-II$

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Let $S$ be the sample space of a random experiment and $P$ be a probability function defined on the power set of $S$. Two events $A$ and $B$ of the random experiment are called independent if

$S$ is the sample space and $A, B$ are two events of a random experiment. Match the items of List-$A$ with the items of List-$B$.
List-$A$List-$B$
$(I)$ $A, B$ are mutually exclusive events$(i)$ $P(A \cap B) = P(B) - P(\bar{A})$
$(II)$ $A, B$ are independent events$(ii)$ $P(A) \leq P(B)$
$(III)$ $A \cap B = A$$(iii)$ $P(\frac{\bar{A}}{B}) = 1 - P(A)$
$(IV)$ $A \cup B = S$$(iv)$ $P(A \cup B) = P(A) + P(B)$
$(v)$ $P(A) + P(B) = 2$

Choose a number $n$ uniformly at random from the set $\{1, 2, \ldots, 100\}$. Choose one of the first seven days of the year $2014$ at random and consider $n$ consecutive days starting from the chosen day. What is the probability that among the chosen $n$ days,the number of Sundays is different from the number of Mondays?

You are given a box containing $20$ cards. Out of these,$10$ cards have the letter $I$ printed on them,and the other $10$ cards have the letter $T$ printed on them. If you draw three cards one after another with replacement,what is the probability of forming the word $IIT$?

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