In order to efficiently bid on a contract, a contractor wants to be 95% confident that his error is less than two hours in estimating the average time it takes to install tile flooring. previous contracts indicate that the standard deviation is 4.5 hours. how large a sample must be selected?

The 2016 financial statements of the new york times company reveal average shareholders’ equity attributable to controlling interest of $837,283 thousand, net operating profit after tax of $48,032 thousand, net income attributable to the new york times company of $29,068 thousand, and average net operating assets of $354,414 thousand. the company's return on net operating assets (rnoa) for the year is: select one: a. 3.5% b. 6.9% c. 13.6% d. 18.7% e. there is not enough information to calculate the ratio.

What is the state tax rate for a resident of arizona whose annual taxable income is $18,000?

Sonic corp. manufactures ski and snowboarding equipment. it has estimated that this year there will be substantial growth in its sales during the winter months. it approaches the bank for credit. what is the purpose of such credit known as? a. expansion b. inventory building c. debt management d. emergency maintenance