a restaurant that bills its house account monthly is concerned that the average monthly bill exceeds $200 per account. A random sample of twelve account is selected, resulting in a sample mean of $220 and a standard deviation of $12. Use a= 0.05. what is the critical value for...
one of the major U.S. tire makers wishes to review its warranty for their rainmaker tire. The warranty is for 40,000 miles. The tire company beleives that the tire actually lasts more than 40,000 miles. A sample of 49 tires reveales that the mean number of miles is 45,000 mile...
14 is K. Do you know 5)When I was a child,there used to be furniture that seemed friendly and would give me comfort.?
22 is B. do you know 7) I wonder if my daydream of my neighbor's house being raided has worked its way across the street. ?