Four students are at an extracurricular activity fair at their high school and are trying to decide which clubs to join. some information about the students is listed in this chart:
which describes which ctso each student should join?
eleanor should join nyfea, russell should join fea, giada should join tsa, and joe should join hosa.
eleanor should join fbla-pbl, russell should join ffa, giada should join fea, and joe should join fccla.
eleanor should join ffa, russell should join deca, giada should join nyfea, and joe should join hosa.
eleanor should join fbla-pbl, russell should join deca, giada should join tsa, and joe should join fccla.

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