The correct size of a nickel is 21.21 millimeters. Based on that, the data can be summarized into the following table indicating the numbers of children from each income group who drew the nickel too small and too large:   Too Small Too Large Total Low Income 8 12 20 High Income 10 5 15 Total 18 17 35 3. Based on this data: (give your answers as fractions, or decimals to at least 3 decimal places) a) The proportion of children from the low income group that drew the nickel too large is: b) The proportion of children from the high income group that drew the nickel too large is: c) The proportion of all children that drew the nickel too large is: d) If a child is picked at random, what is the probability they are in the low income group, given they drew the nickel too large? e) If a child is picked at random, what is the probability they are in the high income group OR drew the nickel too large?

Elementary Geometry For College Students, 7e
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ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
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Chapter8: Areas Of Polygons And Circles
Section8.4: Cicumference And Area Of A Cicle
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The correct size of a nickel is 21.21 millimeters. Based on that, the data can be summarized into the following table indicating the numbers of children from each income group who drew the nickel too small and too large:

  Too Small Too Large Total
Low Income 8 12 20
High Income 10 5 15
Total 18 17 35



3. Based on this data: (give your answers as fractions, or decimals to at least 3 decimal places)

a) The proportion of children from the low income group that drew the nickel too large is:

b) The proportion of children from the high income group that drew the nickel too large is:

c) The proportion of all children that drew the nickel too large is:

d) If a child is picked at random, what is the probability they are in the low income group, given they drew the nickel too large?

e) If a child is picked at random, what is the probability they are in the high income group OR drew the nickel too large? 


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