The probability that the study time of students is at least 3 hours Option 1: 0.5 Option 2: 0.2 Option 3: 0.8 Option 4: 0.7

The answer is '0.5'. View full solution:

CUET Mathematics - The probability that the study time of students is at least 3 hours | PYQs + Solutions

CUET Mathematics 2022 6 Aug Shift 2

Algebra

Easy

$0.5$

$0.2$

$0.8$

$0.7$

✅ Correct Option: 1

Related questions:

26 May Shift 2

If the random variable X has the following probability distribution:

X	0	1	2	otherwise
P(X)	k	3k	5k	0

Match List-I with List-II

List-I	List-II
(A) k	(I) $\frac{13}{9}$
(B) E (X)	(II) $\frac{4}{9}$
(C) P (X ≤ 1)	(III) $\frac{8}{9}$
(D) P (1 ≤ X ≤ 2)	(IV) $\frac{1}{9}$

Choose the correct answer from the options given below:

(A) - (II), (B) - (I), (C) - (IV), (D) - (III)
(A) - (IV), (B) - (I), (C) - (II), (D) - (III)
(A) - (IV), (B) - (II), (C) - (I), (D) - (III)
(A) - (III), (B) - (II), (C) - (I), (D) - (IV)

2 June Shift 1

The probability distribution of a random discrete variable is given

X	-1	0	1	2	3
P(X)	0.1	$p$	0.3	$q$	$r$

If it is known that P(X=1) is the mean of P(X=0) and P(X=2).

Then the value of r is :

30 May Shift 1

A bag contains 6 red balls, 4 green balls and 10 blue balls. Three balls are drawn with replacement. The probability of getting at least 1 green ball is:

CUET Mathematics 2022 6 Aug Shift 2 PYQs

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