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S1 help
1. A company assembles drills using components from two sources. Goodbuy supplies 85% of the components and Amart supplies the rest. It is known that 3% of the components supplied by Goodbuy are faulty and 6% of those supplied by Amart are faulty.
(a) Represent this information on a tree diagram.
An assembled drill is selected at random.
(b) Find the probability that it is not faulty.
Could anyone kindly verify that the answer for part (b) is : P(Not faulty) = 0.9655 = 0.97 (2sf)
(a) Represent this information on a tree diagram.
An assembled drill is selected at random.
(b) Find the probability that it is not faulty.
Could anyone kindly verify that the answer for part (b) is : P(Not faulty) = 0.9655 = 0.97 (2sf)
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