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Suppose a certain species of fawns between 1 and 5 months old have a body weight...

Suppose a certain species of fawns between 1 and 5 months old have a body weight that is approximately normally distributed with mean μ=20.3 kilograms and standard deviation σ=3.4 kilograms. Let x be the weight of a fawn in kilograms. Convert the following x interval to a z interval. Round to the nearest hundredth.

x<31.2

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Answer #1

Solution :

Given that ,

mean = = 20.3

standard deviation =  = 3.4

x < 31.2

Using z-score formula,

z = x - /   

z = 31.2 - 20.3 / 3.4

z = 3.21

z < 3.21

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