Ask a Question

Four person independently solve a certain problem correctly with probabilities `1/2,3/4,1/4,1/8dot` Then the probability that he problem is solve corr

in Education by
Four person independently solve a certain problem correctly with probabilities 1 2 , 3 4 , 1 4 , 1 8 . 1 Then the probability that he problem is solve correctly by at least one of them is 235 256 235 b. 21 256 21 c. 3 256 3 d. 253 256 253 A. 235 256 235 B. 21 256 21 C. 3 256 3 D. 253 256 253 Select the correct answer from above options

1 Answer

0 votes
by
 
Best answer
Correct Answer - A Required probability = 1 − ( 1 − 1 2 ) ( 1 − 3 4 ) ( 1 − 1 4 ) ( 1 − 1 8 ) = 1 − 1 2 × 1 4 × 3 4 × 7 8 = = 1 − 21 256 = 235 256 =

Related questions

0 votes
Q: The probability that a certain person will buy a shirt is 0.2, the probability that he will buy a coat is 0.3 and the probability
    The probability that a certain person will buy a shirt is 0.2, the probability that he will buy a coat is 0.3 ... a shirt and a coat. Select the correct answer from above options...
asked Nov 16, 2021 in Education by JackTerrance
0 votes
Q: The probabilities of A, B, C solving a problem are 1/3, 1/4 and 1/6, respectively. If all the three try to solve the problem simultaneously
    The probabilities of A, B, C solving a problem are 1/3, 1/4 and 1/6, respectively. If all the three try ... one of them will solve it. Select the correct answer from above options...
asked Nov 16, 2021 in Education by JackTerrance
0 votes
Q: The probability that a person will get an electric contact is `2/5` and the probability that he will not get plumbing contract is `4/7`. If the probab
    The probability that a person will get an electric contact is 2 5 and the probability that he will not get plumbing ... will get both. Select the correct answer from above options...
asked Nov 15, 2021 in Education by JackTerrance
0 votes
Q: Given the probability that A can solve a problem is 2/3, and the probability that B can solve the same problem is %, find the probability that
    Given the probability that A can solve a problem is 2/3, and the probability that B can solve the same ... will solve the problem Select the correct answer from above options...
asked Nov 16, 2021 in Education by JackTerrance
0 votes
Q: four fair dice `D_1, D_2,D_3 and D_4` each having six faces numbered 1,2,3,4,5 and 6 are rolled simultaneously. The probability that `D_4` shows a num
    four fair dice `D_1, D_2,D_3 and D_4` each having six faces numbered 1,2,3,4,5 and 6 are rolled simultaneously. ... of `D_1,D_2,D_3` is Select the correct answer from above options...
asked Nov 15, 2021 in Education by JackTerrance
0 votes
Q: A ship is fitted with three engines `E_1`, `E_2`, and `E_3`,. The engines function independently of each other with respective probabilities `1/2`. `1
    A ship is fitted with three engines E1, E2, and E3,. The engines function independently of each other with respective ... /X1)= 7 16 Select the correct answer from above options...
asked Nov 16, 2021 in Education by JackTerrance
0 votes
Q: A and B are two students. Their chances of solving a problem correctly are 1/3 and 1/4,
    A and B are two students. Their chances of solving a problem correctly are 1/3 and 1/4, respectively. If the ... 13/120 D. 10/13 Select the correct answer from above options...
asked Nov 19, 2021 in Education by JackTerrance
0 votes
Q: If `e_(1),e_(2),e_(3)" and "e_(4)` are the four elementary outcomes in a sample space and `P(e_(1))=0.1,P(e_(2))=0.5,"and "P(e_(3))=0.1,` then the pro
    If e1,e2,e3 and e4 are the four elementary outcomes in a sample space and P(e1)=0.1,P(e2)=0.5,and P(e3 ... the probability of e4 is Select the correct answer from above options...
asked Nov 15, 2021 in Education by JackTerrance
0 votes
Q: If the probabilities for A to fail in an examination is 0.2 and that for B is 0.3, then the probability that either A or B fails is
    If the probabilities for A to fail in an examination is 0.2 and that for B is 0.3, then the probability that either A ... C. ≤ .5 D. 0 Select the correct answer from above options...
asked Nov 20, 2021 in Education by JackTerrance
0 votes
Q: If the probabilities for A to fail in an examination is 0.2 and that for B is 0.3, then the probability that either A or B fails is
    If the probabilities for A to fail in an examination is 0.2 and that for B is 0.3, then the probability that either A ... C. ≤0.5 D. 0 Select the correct answer from above options...
asked Nov 15, 2021 in Education by JackTerrance
0 votes
Q: A problem in mathematics is given to three students `A ,B ,C` and their respective probability of solving the problem is 1/2, 1/3 and 1/4. Probability
    A problem in mathematics is given to three students A,B,C and their respective probability of solving the problem is 1/2, ... 3 D. 1 3 Select the correct answer from above options...
asked Nov 16, 2021 in Education by JackTerrance

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

...