CUET Mathematics - The random variable X has a probability distribution P(X) of the following form where k is a scalar and P(X = x) = cases k, & if x = 0 \\ 2k, & if x = 1 \\ 3k, & if x = 2 \\ 0, & otherwise cases then value of P(X < 2) = _______. | PYQs + Solutions

CUET Mathematics 2023 23 May Shift 3

Applied Mathematics

Easy

$\frac{5}{6}$

$\frac{3}{4}$

$\frac{1}{2}$

✅ Correct Option: 4

Related questions:

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A discrete random variable X has the following probability distribution :

X:	0	1	2	3	4	5
P(X):	b	3b	5b	3b	4b	6b

The value of b is :

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In a binomial distribution the probability of getting success is $\frac{1}{4}$ And standard deviation is 3 then its mean is ?

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A shopkeeper wants to check the average number of cars sold per call. Past record of sales is shown below:

Sale of cars (Units)	0	1	2	3
Probabilities	$\frac{1}{6}$	$\frac{1}{2}$	$\frac{3}{10}$	$\frac{1}{30}$

The expected number of cars sold is :

CUET Mathematics 2023 23 May Shift 3 PYQs