It is observed that 76% of Group A favors the product, 47 % of Group B favors the product and 54% of Group C favors the product. A random sample of 105 people with 35 from group A, 28 from Group B and 42 from Group C, was chosen and polled. A random vote from the poll suggests that the product is preferred. What is the probability that this vote belongs to a person from group B
There is an easier solution and faster way to solve this problem without having to recourse to Bayes' theorem. The answer is (125/345) + (80/345) = 36.23% + 23.19% = 59.42%.
In a manufacturing plant, machine A produces 10% of a certain product, machine B produces 40% of this product, and machine C produces 50% of this product. Five percent of machine A products are defective, 12% of Machine B products are defective, and 8% of Machine C products are defective. The company inspector has just sampled a product form this plant and has found it to be defective. Determine the revised probabilities that the sampled product was produced by machine A, machine B or machine C.
It is observed that 76% of Group A favors the product, 47 % of Group B favors the
product and 54% of Group C favors the product. A random sample of 105 people
with 35 from group A, 28 from Group B and 42 from Group C, was chosen and
polled. A random vote from the poll suggests that the product is preferred. What is
the probability that this vote belongs to a person from group B
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There is an easier solution and faster way to solve this problem without having to recourse to Bayes' theorem. The answer is (125/345) + (80/345) = 36.23% + 23.19% = 59.42%.
How did you get it?
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In a manufacturing plant, machine A produces 10% of a certain product, machine B produces 40% of this product, and machine C produces 50% of this product. Five percent of machine A products are defective, 12% of Machine B products are defective, and 8% of Machine C products are defective. The company inspector has just sampled a product form this plant and has found it to be defective. Determine the revised probabilities that the sampled product was produced by machine A, machine B or machine C.
Yes it is very much helpful sir. 💕
Please explain how that 41/69 it arises? Please.
Firstly we multiply both of them and the given answer is multiply by 100
What to do is the question is ..
What is the probability that it is manufactured by the missing A and C ?
Waiting for the answer because I have an exam tomorrow 🥺
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very well explained. i understood. thanks
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Thank you sir 🙏🏻