A division of the Gibson Corporation manufactures bicycle pumps. Each pump sells for $8, and the variable cost of producing each unit is 40% of the selling price. The monthly fixed costs incurred by the division are $45,000. What is the break-even point for the division? (Round your answers to the nearest whole number.) (x, y) =

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