(Solution) An army quartermaster is interested in making sure he has enough helmets for soldiers at a certain base. > Snapessays.com

(Solution) An army quartermaster is interested in making sure he has enough helmets for soldiers at a certain base.

An army quartermaster is interested in making sure he has enough

helmets for soldiers at a certain base. Assume that the distribution of head

circumference of soldiers is normal with a mean of 58 cm and a SD of 1.5 cm.

Helmets come in sizes S, M, ML, L, XL and XXL. The following size chart

(Rowlett, 2000; http://www.unc.edu/~rowlett/units/scales/hatsizes.html) will

be useful:

a. What is the probability that a randomly chosen soldier will need an XL

helmet?

b. The quartermaster is assigned to a base that has 1,000 soldiers, and the

quartermaster is ordering new helmets for all of the soldiers. How many size

XL helmets does the quartermaster need to order to ensure that the

probability of running out is less than 5%?

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This question was answered on: Sep 21, 2023

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