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+500) x 100% Spark Plugs (CSP) and the other ()1009 % is Scooter Spark Plugs (SSP). DGC -..................% of its daily production is Car 500 DGC+500 Scooter Spark Plugs Car Spark Plugs Fig. Iwo types of spark plugs Experience shows that the daily production has 8% 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 =(445/(445+500))*100 =47.09%

hence probability that it woul be no defective =P(car spark plg chosen and non defective+scoooter spark plg chosen and non defective) =0.4709*(1-0.08)+(1-0.4709)*(1-0.1)=0.9094

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