When the doctor arrives late, what is the probability that he comes by metro? Option 1: 5/4 Option 2: 2/7 Option 3: 5/21 Option 4: 1/6

The answer is '2/7'. View full solution:

CUET Mathematics - When the doctor arrives late, what is the probability that he comes by metro? | PYQs + Solutions

CUET Mathematics 2022 4 Aug Shift 1

Algebra

Easy

$\frac{5}{4}$

$\frac{2}{7}$

$\frac{5}{21}$

$\frac{1}{6}$

✅ Correct Option: 2

Related questions:

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Let the random variable X represent the positive difference between the number of heads and the number of tails obtained when a coin is tossed 6 times. Then probability $P(X \leq 3)$ is equal to

16 May Shift 1

If the random variable $X$ has the following distribution:

$X$	0	1	2	otherwise
$P(X)$	$k$	$2k$	$3k$	$0$

Match List-I with List-II:

List-I	List-II
(A) $k$	(I) $\frac{5}{6}$
(B) $P(X < 2)$	(II) $\frac{4}{3}$
(C) $E(X)$	(III) $\frac{1}{2}$
(D) $P(1 \leq X \leq 2)$	(IV) $\frac{1}{6}$

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The probability distribution of the random variable X is given by

X	0	1	2	3
P(X)	0.2	k	2k	2k

The variance of the random variable X is

CUET Mathematics 2022 4 Aug Shift 1 PYQs

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