Scientists researching amphibians put tags on 36 frogs in a wetland area. Later, the scientists captured 100 frogs, of which 15 had tags. To the nearest whole number, what is the best estimate for the frog population?

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.