Ask a Question

Top 100+ questions in Education

0 votes
Q: A bag contains 5 red marbles and 3 black marbles. Three marbles are drawn one by one without replacement.
    A bag contains 5 red marbles and 3 black marbles. Three marbles are drawn one by one without replacement. What is ... marble is red? Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
0 votes
Q: Two dice are thrown together and the total score is noted. The events E, F and G are ‘a total of 4’, ‘a total of 9 or more’,
    Two dice are thrown together and the total score is noted. The events E, F and G are a total of 4', a ... , if any, are independent. Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
0 votes
Q: A and B are two events such that P(A) = 1/2, P(B) = 1/3 and P(A Ç B) = 1/4.
    A and B are two events such that P(A) = 1/2, P(B) = 1/3 and P(A Ç B) = 1/4. Find: (i) P(A|B) (ii) P(B|A) (iii) P(A’|B) (iv) P(A’|B’) Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
0 votes
Q: Three events A, B and C have probabilities 2/5, 1/3 and 1/2, respectively. Given that P(A ∩ C) = 1/5 and P(B ∩ C) = 1/4 ,
    Three events A, B and C have probabilities 2/5, 1/3 and 1/2, respectively. Given that P(A ∩ C) = 1/5 and P(B ∩ ... | B) and P(A'∩ C'). Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
0 votes
Q: Let E1 and E2 be two independent events such that p(E1) = p1 and P(E2) = p2. Describe in words of the events whose probabilities are:
    Let E1 and E2 be two independent events such that p(E1) = p1 and P(E2) = p2. Describe in words of the events ... (iv) p1 + p2 - 2p1p2 Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
0 votes
Q: A discrete random variable X has the probability distribution given as below:
    A discrete random variable X has the probability distribution given as below: (i) Find the value of k (ii) ... of the distribution. Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
0 votes
Q: In a dice game, a player pays a stake of Re1 for each throw of a die. She receives Rs 5 if the die shows a 3,
    In a dice game, a player pays a stake of Re1 for each throw of a die. She receives Rs 5 if the die shows ... a long series of throws? Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
0 votes
Q: Three dice are thrown at the same time. Find the probability of getting three two’s, if it is known that the sum of the numbers on the dice was six.
    Three dice are thrown at the same time. Find the probability of getting three two's, if it is known that the sum ... the dice was six. Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
0 votes
Q: Suppose 10,000 tickets are sold in a lottery each for Re 1. First prize is of Rs 3000 and the second prize is of Rs. 2000.
    Suppose 10,000 tickets are sold in a lottery each for Re 1. First prize is of Rs 3000 and the second ... what is your expectation. Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
0 votes
Q: A bag contains 4 white and 5 black balls. Another bag contains 9 white and 7 black balls.
    A bag contains 4 white and 5 black balls. Another bag contains 9 white and 7 black balls. A ball is ... ball drawn is white. Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
0 votes
Q: Bag I contains 3 black and 2 white balls, Bag II contains 2 black and 4 white balls. A bag and a ball is selected at random.
    Bag I contains 3 black and 2 white balls, Bag II contains 2 black and 4 white balls. A bag and a ball is ... of selecting a black ball. Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
0 votes
Q: A box has 5 blue and 4 red balls. One ball is drawn at random and not replaced. Its colour is also not noted.
    A box has 5 blue and 4 red balls. One ball is drawn at random and not replaced. Its colour is also not ... of second ball being blue? Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
0 votes
Q: Four cards are successively drawn without replacement from a deck of 52 playing cards. What is the probability that all the four cards are kings?
    Four cards are successively drawn without replacement from a deck of 52 playing cards. What is the probability that ... are kings? Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
0 votes
Q: The probability of a man hitting a target is 0.25. He shoots 7 times. What is the probability of his hitting at least twice?
    The probability of a man hitting a target is 0.25. He shoots 7 times. What is the probability of his hitting at least twice? Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
0 votes
Q: A lot of 100 watches is known to have 10 defective watches. If 8 watches are selected (one by one with replacement) at random,
    A lot of 100 watches is known to have 10 defective watches. If 8 watches are selected (one by one with ... least one defective watch? Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
0 votes
Q: The probability distribution of a random variable X is given below:
    The probability distribution of a random variable X is given below: (i) Determine the value of k. (ii) Determine P (X ≤ ... P (X > 2). Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
0 votes
Q: A biased die is such that P (4) = 1/10 and other scores being equally likely. The die is tossed twice. If X is the ‘number of fours seen’,
    A biased die is such that P (4) = 1/10 and other scores being equally likely. The die is tossed twice. If ... of the random variable X. Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
0 votes
Q: Two probability distributions of the discrete random variable X and Y are given below.
    Two probability distributions of the discrete random variable X and Y are given below. Prove that E(Y)2=2E(X). Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
0 votes
Q: A factory produces bulbs. The probability that any one bulb is defective is 1/50 and they are packed in boxes of 10.
    A factory produces bulbs. The probability that any one bulb is defective is 1/50 and they are packed in boxes ... 8 bulbs work properly Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
0 votes
Q: Suppose you have two coins which appear identical in your pocket. You know that one is fair and one is 2-headed.
    Suppose you have two coins which appear identical in your pocket. You know that one is fair and one is 2-headed. ... was a fair coin? Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
0 votes
Q: Suppose that 6% of the people with blood group O are left handed and 10% of those with other blood groups are left handed 30%
    Suppose that 6% of the people with blood group O are left handed and 10% of those with other blood groups are ... have blood group O? Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
0 votes
Q: Two natural numbers r, s are drawn one at a time, without replacement from the set S= {1, 2, 3, ...., n}. Find P [r ≤ p|s ≤ p], where p ∈ S.
    Two natural numbers r, s are drawn one at a time, without replacement from the set S= {1, 2, 3, ...., n}. Find ... ≤ p], where p ∈ S. Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
Page:

© Copyright 2018-2023 www.Blogmepost.com. All rights reserved. Developed by Blogmepost.

...