Positioning and Techniques A survey claims that 90% of doctors recommend aspirine for their patients with headaches. To test this claim, a random sample of 1so doctors is obtained . of these 150 doctors 123 indicate that they recommend aspirin A ) Based on these findings at 0.os Significance level can we conclude the surveys Claim of 90% is too high? B Based on the conclusion of the above hypotheses test, we want to estimate the proportion of doctors who recommend aspirin for their patient. 2 your company wants to improve sales. past sales data indicate that the average Sales was $ 1ooo per transaction, After training your sales force, recent sales datal taken from a sample of 35 Salesman indicates an average sale of $1200 , with a Standard deviation of $500 A) Did the training work ? use a 0.to level of Significance Considering the results of the hypothesis cot, the company wants to estimate the average Sales traing sales force. I rom ying or position that change Your pressure