Question

Please answer 24 and 26 only

A).22 B).08 24) Data were collected on monthly sales revenues (in $1000s) and monthly advertising expenditures (51005) fora sample of drug sample of drug stores. The regression line relating revenues () to advertising expenditure (X) is estimated to 3+ 9.00x. The correct interpretation of the slope is that for each additional spent on advertising, predicted sales revenue decreases by $9000. be y =-48. A) $100 B) $1 spent on advertising, predicted sales revenue increases by $9000. C) $1000 in sales revenue, advertising expenditures decrease by $48.30 D) $100 spent on advertising, predicted sales revenue increases by $9000. E) $100 in sales revenue, advertising expenditures decrease by $48.30. 25) A recent poll of 120 adults who frequent the local farmer's market found that 54 have purchased reusable cloth a 90% confidence interval of the bags for their groceries. Based on these data, what is the margin of error for proportion of adults who have purchased reusable cloth bags? A) 0.0117 B) 0.0454 C) 0.0432 00.075 E) 0.089 6) Suppose the time it takes for a purchasing agent to com plete an online ordering process is normally distributed with a mean of 8 minutes and a standard deviation of 2 minutes. What is the probability that it takes longer than 11 minutes for the purchasing agent to complete the proces? A) 0.9332 B) 0.4332 C) 0.5668 D) 0.0668 E) none of these