Question 1·(THINKING OF A SMALL BUSINESS) Assume a TAMUK engineer opened a small

Question

Question 1·(THINKING OF A SMALL BUSINESS) Assume a TAMUK engineer opened a small firm. ( DGC-00)100%-..................96 of its daily production is Car Spark Plugs (CSP) and the other ()×100% Mís Scooter Spark Plugs (SSP) DGC 500 DGC+500 Scooter Spark Plugs Car Spark Plugs Fig. Two types of spark plugs Experience shows that the daily production has8% defective Car Spark Plugs and 10% defective Scooter Spark Plugs. If one Spark Plug is chosen at random from the day's production, what is the probability that it will be non-defective? Instructor: Sarjinder Singh

Explanation / Answer

% of car spark plug =(460/(460+500))*100 =47.92%

hence probability that it woul be no defective =P(car spark plg chosen and non defective+scoooter spark plg chosen and non defective) =0.4792*(1-0.08)+(1-0.4792)*(1-0.1)=0.9096

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