Problem No. 6 A computer chip factory produces chips with distribution N~(, ) = (100, 4). The production size is 350 chips/hour for 6 hours.

Problem No. 6 A computer chip factory produces chips with distribution N~(µ, σ) = (100, 4). The production size is 350 chips/hour for 6 hours.

(a) The first improvement reduced to (µ,σ) = (100, 2.5)

1. How many chips are being produced at each stage?

2. How many chips pass the quality inspection at each stage?

3. Is there any way to reduce the cost? How?

(b) The second improvement reduced to (µ,σ) = (100, 0.5)

1. How many chips are being produced at each stage?

2. How many chips pass the quality inspection at each stage?

3. Is there any way to reduce the cost? How?