A market survey by a garment manufacturing company revealed that the chest widt

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Question

A market survey by a garment manufacturing company revealed that the chest width of their target
customers had normal distribution with a mean of 54 cm. If 18% of customers surveyed have chest
width greater than 58 cm and 75% of customers surveyed have chest width greater than 52 cm, the
percentage of customers having chest width between 56 cm and 58 cm is ________.

Options:

A . 5

B . 7

C . 9

D . 11

Answer: Option B

-NA-

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