Analyzing and Assessing Research and Development Expenses Agilent Technologies, Inc., the high-tech spin-off from Hewlett-Packard Company, reports the following operating profit for 2014 in its 10-K ($ millions):

Net revenue
Products $6,082
Services and other 1,133
Total net revenue 7,215
Costs and expenses
Cost of products 2,473
Cost of services and other 613
Total costs 3,086
Research and development 649
Selling, general and administrative 1,809
Total costs and expenses 5,544
Income from operations $1,671

Required
What percentage of its total net revenue is Agilent spending on research and development? Round to one decimal place.

Sales at a fast-food restaurant average $6,000 per day. the restaurant decided to introduce an advertising campaign to increase daily sales. to determine the effectiveness of the advertising campaign, a sample of 49 days of sales were taken. they found that the average daily sales were $6,300 per day. from past history, the restaurant knew that its population standard deviation is about $1,000. if the level of significance is 0.01, have sales increased as a result of the advertising campaign? multiple choicea)fail to reject the null hypothesis.b)reject the null hypothesis and conclude the mean is higher than $6,000 per day.c)reject the null hypothesis and conclude the mean is lower than $6,000 per day.d)reject the null hypothesis and conclude that the mean is equal to $6,000 per day.expert answer