Donovan has a Bachelor's degree and earns an annual salary of $55.000. He works 40 hours per week for 48 weeks per year. His brother has a Associate degree and earns an
average salary of $43.000. He works 40 hours a week for 52 weeks. How much greater is
Donovan's hourly wage than his brother's hourly wage? Round your answer to the
nearest whole dollar.

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