Solve for x. −3x + 4b > 9 1.) x > the quantity 4 times b minus 9 all over 3 < -- my answer 2.) x < the quantity 9 minus 4 times b all over 3 3.) x < the quantity negative 4 times b plus 9 all over negative 3 4.) x > the quantity 4 times b plus 9 all over negative 3

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?