a company manufactures two types of bulbs, (a and b). the manager of the company tests a random sample of 50 bulbs of type a and 60 bulbs of types b and obtains the following information:

a company manufactures two types of bulbs, (a and b). the manager of t

1.	a company manufactures two types of bulbs, (a and b). the manager of the company tests a random sample of 50 bulbs of type a and 60 bulbs of types b and obtains the following information:
Answer» tyueieueirdod,ekqkekididkdkdooelelsssisieo