Polly the penguins singing career has really taken off! Her one-hit-wonder "penguins just wanna have fun" has made ticket sales skyrocket for her world tour! World tour tickets used to cost $43 but due to her success they have increased by 76% . What is the new price of a ticket to her concert? A).$75.68 C).$76.68
B).$75.72 D).$76.72

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?