The ages of the children in a gymnastics club are normally distributed with mean 15.2 years and
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The ages of the children in a gymnastics club are normally distributed with mean 15.2 years and standard deviation σ. Find the value of σ given that 30.5% of the children are less than 13.5 years of age.
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09 years Explanation The Zscore for 135 years is 135 152 where is the ...View the full answer
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Related Book For
Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook
ISBN: 9781108407304
1st Edition
Authors: Dean Chalmers, Julian Gilbey
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