There is 712of a chocolate cake left after a party. David and his 4 friends are going to divide the leftover cake equally among themselves so that they can each take a piece home. If David and his 4 friends each get an equal sized slice of cake, what fraction of the original cake does each person get?

160

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