Describes the location at which hotel goods and services are purchased

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

Bond j has a coupon rate of 6 percent and bond k has a coupon rate of 12 percent. both bonds have 14 years to maturity, make semiannual payments, and have a ytm of 9 percent. a. if interest rates suddenly rise by 2 percent, what is the percentage price change of these bonds?

Ancho corp. is an automobile company whose core competency lies in manufacturing petrol- and diesel- based cars. the company realizes that more of its potential customers are switching to electric cars. the r& d department of the company acquires competencies in developing electric cars and launches its first hybrid car, which uses both gas and electricity. in this scenario, ancho is primarilya. leveraging new core competencies to improve current market position. b. redeploying existing core competencies to compete in future markets. c. unlearning existing core competencies to create and compete in markets of the future. d. building new core competencies to protect and extend current market position