Engineers must consider the breadths of male heads when designing helmets. The company researchers have determined that the population of potential clientele have head breadths that are normally distributed with a mean of 5.7in and a standard deviation of 0.9in. In what range would you expect to find the middle 95% of most head breadths? If you were to draw samples of size 49 from this population, in what range would you expect to find the middle 95% of most averages for the breadths of male heads in the sample