What is heavier, 2 and a half pounds or 50 ounces? also, trying to show work for this question, .

Sum is 17 and their difference is 3

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

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