Home
Class 12
MATHS
A signal which can be green or red with...

A signal which can be green or red with probability `4/5 and 1/5` respectively . Is received by station A and then transmitted to station B . The probability of each station receiving the signal correctly is `3/4` . If the signal received at station B is green , then the probability that the original signal was green is :

A

`3/5`

B

`6/7`

C

`20/23`

D

`9/20`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    MODERN PUBLICATION|Exercise RECENT COMPETITIVE QUESTIONS (QUESTIONS FROM KARNATAKA CET & COMED )|11 Videos

  • PROBABILITY

    MODERN PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS (LEVEL - II )|30 Videos

  • PERMUTATIONS AND COMBINATIONS

    MODERN PUBLICATION|Exercise Recent Competitive Questions|6 Videos

  • QUADRATIC EQUATIONS

    MODERN PUBLICATION|Exercise LATEST QUESTIONS FROM AIEEE/JEE EXAMINATIONS|13 Videos

Similar Questions

Explore conceptually related problems

The probability that A can solve a problem is 2/3 and B can solve is 3/4. If both of them attempt the problem, what is the probability that the problem get solved

Two persons A and B appear in an interview for two vacancies . If the probability of their selection are 1/4 and 1/6 respectively , then probability that none of them is selected is :

Three person A, B and C fire at a target, inturn starting. with A. Their probability of hitting the target are 0.4,0.3 and 0.2 respectively The probability of two hits is

If only the upper side band of an AM wave is transmitted an there is a facility for generating the carrier at the receiving end then is it possible to recover the modulating signal at the receiver station if a device is available for multiplying two signals ? Expalain.

A five digit number is formed by writing the digits 1,2,3,4,5 in a random order without repetition. Then the probability that the number is divisible by 4 is

Three-digit numbers are formed using the digits 0,1, 2, 3, 4, 5 without repetition of digits. If a number is chosen at random, then the probability that the digits either increase or decrease, is

The probabilit that A speaks truth is 4/5 , while the probability for B is 3/4 . The probability that they contradict each other when asked to speak on a facts is :

Three groups A, B and C are contesting for positions on the Board of Directors of a company. The probability of their winning are 0.5, 0.3 and 0.2, respectively. If the froup A wins, then the probabilityof introducing a new product is 0.7 and the corresponding probabilies for groups B and C are 0.6 and 0.5, respectively. Find the probability that the new product will be introduced.