An estimate of the fish population was found by catching 150 fish and marking and returning them to the pond. The next day, 450 fish were caught, of which 10 had been marked the previous day. Estimate the fish population of the pond

Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.