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 5.6-in and a standard deviation of 0.9-in.
In what range would you expect to find the middle 68% of most head breadths?
Between and .
If you were to draw samples of size 42 from this population, in what range would you expect to find the middle 68% of most averages for the breadths of male heads in the sample?
Between and .
Enter your answers as numbers. Your answers should be accurate to 2 decimal places.
In what range would you expect to find the middle 68% of most head breadths?
Between and .
If you were to draw samples of size 42 from this population, in what range would you expect to find the middle 68% of most averages for the breadths of male heads in the sample?
Between and .
Enter your answers as numbers. Your answers should be accurate to 2 decimal places.