if alberto's school is 3 miles due south of his house and 4 miles due west of jimmy's house, what is the straight line distance between alberto's house and jimmy's house? a)3 milesb)4 milesc)5 milesd)6 miles

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?