標題:

Mathematics ~ Approximatoin and Errors ~

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發問:

1. Patrick and Derek estimated that China would win 32 and 14 gold medals respectively in the 2000 Olympic Game. Actually, China won 28 gold medals.(a) Find the percentage error of Patrick's estimation.(b) Find the percentage error of Derek's estimation.(c) Who has a more accurate... 顯示更多 1. Patrick and Derek estimated that China would win 32 and 14 gold medals respectively in the 2000 Olympic Game. Actually, China won 28 gold medals. (a) Find the percentage error of Patrick's estimation. (b) Find the percentage error of Derek's estimation. (c) Who has a more accurate estimation? _________________________________________________________________________ 用中文講下點計.

最佳解答:

(a) the abs. error: (32-28)gold =4gold relative error: 4 gold/32 gold =0.125 percentage error :0.125*100% =12.5% (b) The abs. error: (28-14) gold =14gold relative error:14 gold/14 gold =1 percentage error :1*100% =100% (c) Patrick has a more accurate estimation

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