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Mathematics, 02.02.2020 22:49 hernan99961

Ashipment of beach balls with a mean diameter of 28 cm and a standard deviation of 1.3 cm is normally distributed. by how many standard deviations does a beach ball with a diameter of 31.9 cm differ from the mean?
a.) 1
b.) 1.3
c.) 2
d.) 3

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