Question

A quality controller finds three types of defects with a particular product. He experiences each type of defects with 7%, 8 % , and 9 % respectively. By his experience he finds that both first and second types of defects occur 3 % , second and third types of defects occur 4 % , and first and third types of defects occur 2 %. In addition, the quality controller finds that all the three types of defects occurl%. Using these information answer the following questions. (i) What is the probability that the quality controller experiences only any two types of the above defects? (ii) What is the probability that the quality controller does experience type one defect? (ii) What is the probability that the quality controller experiences any type of defects? (iv) What is the probability that the quality controller does not experience all the types of defects? (v) What is the probability that the quality controller experiences first and third types of defects but not the second type?

Answer 1

27 31 1- A b 47. Acconding to a iuen data 3 % f 2/ e 37 9+e 21. a 3 t -& 7. b- 2 Y. t9re ct dte t9 anly tw o ty b y dofect of tines iExpeui eMte dft doent atdrgif7 olefect i , Enpeuien to type

2 ay e ofodalect Qualy lou bolea ex puuiente ) E3 7 O.16 2 all ty fdefe peuien 941 100-g thind but wot eecond

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