Recent questions tagged Cbse-class-10

0 votes

Q: If E1 and E2 are the two events such that P (E1) = 1/4, P (E2) = 1/3 and P (E1 U E2) = 1/2, show that E1 and E2 are independent events.

If E1 and E2 are the two events such that P (E1) = 1/4, P (E2) = 1/3 and P (E1 U E2) = 1/2, show that E1 and E2 are independent events. Select the correct answer from above options...

asked Nov 21, 2021 in Education by JackTerrance

0 votes

Q: If E1 and E2 are independent events such that P (E1) = 0.3 and P (E2) = 0.4, find (i) P (E1 ∩ E2) (ii) P (E1 U E2) (iii) P(bar E1 ∩ bar E2)

If E1 and E2 are independent events such that P (E1) = 0.3 and P (E2) = 0.4, find (i) P (E1 ∩ E2) (ii) P ... ∩ bar E2) (iv) P(E1 ∩ E2) Select the correct answer from above options...

asked Nov 21, 2021 in Education by JackTerrance

0 votes

Q: Let A and B be the events such that P (A) = 1/2, P (B) = 7/12 and P (not A or not B) = 1/4. State whether A and B are

Let A and B be the events such that P (A) = 1/2, P (B) = 7/12 and P (not A or not B) = ... (i) mutually exclusive, (ii) independent. Select the correct answer from above options...

asked Nov 21, 2021 in Education by JackTerrance

0 votes

Q: Kamal and Vimal appeared for an interview for two vacancies. The probability of Kamal’s selection is 1/3 and that of Vimal’s selection is 1/5.

Kamal and Vimal appeared for an interview for two vacancies. The probability of Kamal's selection is 1/3 and ... will be selected. Select the correct answer from above options...

asked Nov 21, 2021 in Education by JackTerrance

0 votes

Q: Arun and Ved appeared for an interview for two vacancies. The probability of Arun’s selection is 1/4 and that of Ved’s rejection is 2/3.

Arun and Ved appeared for an interview for two vacancies. The probability of Arun's selection is 1/4 and that ... will be selected. Select the correct answer from above options...

asked Nov 21, 2021 in Education by JackTerrance

0 votes

Q: A and B appear for an interview for two vacancies in the same post. The probability of A’s selection is 1/6 and that of B’s selection is 1/4.

A and B appear for an interview for two vacancies in the same post. The probability of A's selection is 1/6 ... of them is selected. Select the correct answer from above options...

asked Nov 21, 2021 in Education by JackTerrance

0 votes

Q: Poisson Distribution

The Random Variable X Has Poisson Distribution With p(x=0) = 2p (x=1) Select the correct answer from above options...

asked Nov 21, 2021 in Education by JackTerrance

0 votes

Q: If an event cannot occur, then its probability is (A)1 (B) ¾ (C) ½ (D) 0

If an event cannot occur, then its probability is (A)1 (B) ¾ (C) ½ (D) 0 Select the correct answer from above options...

asked Nov 21, 2021 in Education by JackTerrance

0 votes

Q: Which of the following cannot be the probability of an event? (A)1/3 (B) 0.1 (C) 3% (D)17/16

Which of the following cannot be the probability of an event? (A)1/3 (B) 0.1 (C) 3% (D)17/16 Select the correct answer from above options...

asked Nov 21, 2021 in Education by JackTerrance

0 votes

Q: An event is very unlikely to happen. Its probability is closest to A. 0.0001 B. 0.001 C. 0.01 D. 0.1

An event is very unlikely to happen. Its probability is closest to A. 0.0001 B. 0.001 C. 0.01 D. 0.1 Select the correct answer from above options...

asked Nov 21, 2021 in Education by JackTerrance