Some wolves howl in the woods. 12 wolves join them. Now 30 wolves howl. How many wolves howled at first?

Which point on the x-axis lies on the line that passes through point c and is parallel to lino ab?

What is the area of mnp? 40 m2 60 m2 68 m2 127.5 m2

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