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 6.3-in and a standard deviation of 0.8-in.
Due to financial constraints, the helmets will be designed to fit all men except those with head breadths that
are in the smallest 4.4% or largest 4.4%.
What is the minimum head breadth that will fit the clientele?
min =
What is the maximum head breadth that will fit the clientele?
max =
Enter your answer as a number accurate to 1 decimal place. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.
What is the minimum head breadth that will fit the clientele?
min =
What is the maximum head breadth that will fit the clientele?
max =
Enter your answer as a number accurate to 1 decimal place. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.