Anthony will be competing in a body building competition in 12 months. he initially weighs 160 pounds and by the end of 12 months weighs 232 pounds. what is the approximate rate of change in anthony's body weight? a) 6 pounds per month b) 13 pounds per month c) 19 pounds per month d) 36 pounds per month

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?