We should consider the actual cash paid by the firm in favor of the stockholders. Net income doesn't represent cashflow is the amount earned by the company but a portion of it is reinvested or hold by the firm. What it matter for cashflwo arethe cash dividends and treasury stock as these are actual cashflow in going into the stockholders pockets
Homeless: 10 – t^2
/320 > 0 10 > t^2
/320 3200 > t^2 t < 40√2 = 56.6 College students: 10 – t^2
/160 > 0 10 > t^2
/160 1600 > t^2 t < 40 Wait time would have to be at least 40 minutes to prevent college students from waiting.
The lower control limit is a limit of the quality control characteristics that describe the common cause of variations form the natural control process, that horizontal lines that are drawn in the distance of plus and minus 3. Found usually in the six sigma model of the quality deviation.
