NIELIT STQC 2021 Quiz-12

In the given table, P(x) and discrete random variable is given. Find the standard deviation of x. P(x) is probability density function.

Possibility of Ajay clearing an exam or failing in that exam are equal. Find the probability that Ajay will clear this exam at most once in 6 trials.

The symmetric difference of A and B is

What is the chromatic number of the following graph?

CPU scheduling is the basis of ___________

Consider the following data and specify which one is Preorder Traversal Sequence, Inorder and Postorder sequences.

S1: N, M, P, O, Q

S2: N, P, Q, O, M

S3: M, N, O, P, Q

Match List-I (Dynamic algorithm) with List-II (Average case running time) and select the correct answer using the codes given below the lists:

Which type of maintenance only works with non-critical assets that are easily and cheaply repaired or replaced, or with systems that have redundancies?

-------- are attempts by individuals to obtain confidential information from you to falsifying their identity.