By 8:00 a. m., the snack bar had made $3,256 in sales. By noon, the snack bar’s total sales were $8,821. About how much money did the snack bar take in each hour between 8:00 a. m. and noon? $814.00
$1,391.25
$2,205.25
$5,565.00

The fraction of defective integrated circuits produced in a photolithography process is being studied. a random sample of 300 circuits is tested, revealing 17 defectives. (a) calculate a 95% two-sided confidence interval on the fraction of defective circuits produced by this particular tool. round the answers to 4 decimal places. less-than-or-equal-to p less-than-or-equal-to (b) calculate a 95% upper confidence bound on the fraction of defective circuits. round the answer to 4 decimal places. p less-than-or-equal-to