Ethan and ilikebug you here

how many brainliest do you haave

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

You hear your supervisor tell another supervisor that a fire drill will take place later today when the fire alarm sounds that afternoon you should

Acompetitive market in healthcare would a. overprovide healthcare because the marginal social benefit of healthcare exceeds the marginal benefit perceived by consumers b. underprovide healthcare because it would eliminate medicare and medicaid c. underprovide healthcare because the marginal social benefit of healthcare exceeds the marginal benefit perceived by consumers d. overprovide healthcare because it would be similar to the approach used in canada