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BrainPOP
A designer of motorcycle helmets is marketing a helmet to American men. This
designer knows that the mean American adult male had a head breadth of 6 in,
with a standard deviation of 1 in, and that the distribution of head breadths is
approximately normal. Find the following:
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LearnZillion
a. What is the probability that someone head is between 5 in and 9.5 in.
b What is the probability that someone head is at most 7.5 in.
irmation
c. What size head is represented at the largest 10%?
d. What size head is repesented at the smallest 25%?
Sling periods
ter 3:2/03/21 - 4/20/21,
mester 2: 2/03/21 -
4/21, Quarter 4: 4/21/21 -
4/21
e. Five hundred men heads are measured ranging from 6 in to 8 in. How many
men out of 500 would fall in this category.
f. What is the probability of men that have a head size of exactly 6.5