Question

Tommy thought the old books were funny and a big waste. Why?​

Answer 1

Explanation:

good night

A factory has two machines A and B. A produces 60% and B 40% of the total

output. 2% product of machine A and 1% of machine B is defective. If one item

is chosen at random from the output and is found defective, find the probability that it was produced by machine A

Answer 2

Tommy thought that the old books were a waste because the words stood still and did not run. He also thought that they were a big waste because they could not be reused like the screen of their mechanical teacher.