Question

17. In a factory there are machines A, B and C producing respectively 30%, 40% and 30% of the
product of their 0.3, 0.5 and 0.2 respectively are defective product.
A product is drawn at random and found to be defective, find the probability that it is
produced by machine B?
a) 0.571
b) 0.065
c) 0.125
d) 0.25
Find the probability that product is produced by machine C and defective.
a) 0.66
b) 0.06
c) 0.0008
d) 0.86
What is the total probability of producing a defective product?
a) 0.25
b)0.15
c) 0.45
d) 0.35
IV. The conditional probabillity of a product produced by machine A given that it is a
defective product
a)0.358
b) 0.257
c) 0.985
d) 0.008
The selected product is found to be defective the probability that it is not produced by C
a) 0.785
b) 0.215
c) 0.828 d)0.173​

Answer 1

Answer:

1. a
2. c
3. b
4. d
5. a

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Answer 2

Answer:

A-c) 0.125

B-d) 0.86

C-a) 0.25

D-b) 0.257

E-d) 0.173

Step-by-step explanation:

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