the daily profit in dollars made by an automobile manufacturer is P(x)=-45x^2+2430x-15000 where x is the number of cars produced per shift. how many cars must be produced per shift for the company to maximize its profit

Now, martin can reasonably guess that the standard deviation for the entire population of people at the mall during the time of the survey is $1.50. what is the 95% confidence interval about the sample mean? interpret what this means in the context of the situation where 95 people were surveyed and the sample mean is $8. use the information in this resource to construct the confidence interval.