Find solutions to your problems with the help of IDNLearn.com's expert community. Ask any question and get a thorough, accurate answer from our community of experienced professionals.

A manufacturer gets a shipment of 580 batteries of which 27 are defective. The store manager wants to be able to test random samples in future shipments. She tests a random sample of 20 batteries in this shipment to see whether a sample of that size produces a reasonable inference about the entire shipment. Fill in the blanks to make this statement true. please help.

Sagot :

Kate

Step-by-step explanation:

hcl+Na2co3=2Nacl+h2o+co2

12

I just did the lesson i think