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:

7 Aug Shift 2

A shopkeeper sells three types of flower seeds $A_1, A_2, A_3$ . They are sold as a mixture where the proportions are 4 : 4 : 2 respectively. The germination rates of the three types of seeds are 45%, 60% and 35% respectively. Calculate the probability in the following cases.

The probability of a randomly chosen seed to germinate is :

15 May Shift 1

If $X$ is a normal variate with mean 12 and standard deviation 4, then $P[X \ge 20]$ is:

[Given that: $P[0 \le Z \le 2] = 0.4772]$

16 July Shift 2

A random variable X has the following probability distribution:

x	1	2	3	4
p(x)	2k	4k	3k	k

The value of E(X) is:

CUET Mathematics 2022 6 Aug Shift 2 PYQs

Keyboard Shortcuts