A coffee shop sells assorted types of coffees, and blends them into their "signature blends". Columbian sells for $4.60 per pound, and Honduran sells for $6.20 per pound. A customer pays $29.00 for 5 pounds of a blend. How much of each type of coffee goes into the blend?

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