Lilly has a box of chocolates.
there are 12 chocolates in the box and there is an assortment of white, milk and dark chocolates.
there are 3 white chocolates, 4 milk chocolates and the rest are dark chocolates.
what is the probability that lilly first chooses a dark chocolate from the box?

Solve: 3x+y=6 4x-2y=18 show all work !

Divide. write in simplest form 41/6 divided by 10

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