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Can you explain the answer of this question below:
Three companies X, Y and Z supply computers to a university. The percentage of computers supplied by them and the probability of those being defective are tabulated below  
Given that a computer is defective, the probability that it was supplied by Y is 
  • A:
    0. 1  
  • B:
    0.2  
  • C:
    0.3  
  • D:
    0.4 
The answer is d.
Verified Answer
Can you explain the answer of this question below:Three companies X, Y...
Probability of defective computer supplied by Y = 
(Case when Y produces defective)/(All cases of producing defective product)
Case when Y produces defective = (0.3)(0.02) = 0.006
All cases of producing defective product= (0.6x0.01)+(0.3x0.02)
(0.1x0.03)= 0.006+0.006+0.003=0.015
Probability = 0.006/0.015=0.4
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Most Upvoted Answer
Can you explain the answer of this question below:Three companies X, Y...
Probability of defective computer supplied by Y = 
(Case when Y produces defective)/(All cases of producing defective product)
Case when Y produces defective = (0.3)(0.02) = 0.006
All cases of producing defective product= (0.6x0.01)+(0.3x0.02)
(0.1x0.03)= 0.006+0.006+0.003=0.015
Probability = 0.006/0.015=0.4
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Community Answer
Can you explain the answer of this question below:Three companies X, Y...
Direct answer using bayes theorm
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Can you explain the answer of this question below:Three companies X, Y and Z supply computers to a university. The percentage of computers supplied by them and the probability of those being defective are tabulated below Given that a computer is defective, the probability that it was supplied by Y isA:0. 1 B:0.2 C:0.3 D:0.4The answer is d.
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