Karen is opening a new container of one-a-day vitamins that holds 250 vitamins. each vitamin has 20 mg of phosphorus, which makes up 2% of her daily need. how much phosphorus does karen need in a day? give your answer in scientific notation.

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