The following table shows the typical depth (rounded to the nearest foot) for nonfailed wells in geological formations in Baltimore County (The Journal of Data Science, 2009, Vol. 7, pp. 111-127). Geological Formation Group Number of Nonfailed Wells Nonfailed Well Depth Gneiss 1,515 255 Granite 26 218 Loch Raven Schist 3,290 317 Mafic 349 231 Marble 280 267 Prettyboy Schist 1,343 255 Other schists 887 267 Serpentine 36 217 Total 7,726 2,027 Let the random variable X denote the depth (rounded to the nearest foot) for nonfailed wells. Detemine the cumulative distribution function for X. Round your answers to four decimal places (e.g. 98.7654). x < 217 217

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The following table shows the typical depth (rounded to the nearest foot) for nonfailed wells in geological formations in Baltimore
County (The Journal of Data Science, 2009, Vol. 7, pp. 111-127).
Geological Formation Group Number of Nonfailed Wells Nonfailed Well Depth
Gneiss
1,515
255
Granite
26
218
Loch Raven Schist
3,290
317
Mafic
349
231
Marble
280
267
Prettyboy Schist
1,343
255
Other schists
887
267
Serpentine
36
217
Total
7,726
2,027
Let the random variable X denote the depth (rounded to the nearest foot) for nonfailed wells. Detemine the cumulative distribution
function for X.
Round your answers to four decimal places (e.g. 98.7654).
x < 217
217 <x < 218
218 <x < 231
231 < x < 255
255 < x < 267
267 < x < 317
317 <x
F(x)
0.0047
!
!
i
0.
Transcribed Image Text:The following table shows the typical depth (rounded to the nearest foot) for nonfailed wells in geological formations in Baltimore County (The Journal of Data Science, 2009, Vol. 7, pp. 111-127). Geological Formation Group Number of Nonfailed Wells Nonfailed Well Depth Gneiss 1,515 255 Granite 26 218 Loch Raven Schist 3,290 317 Mafic 349 231 Marble 280 267 Prettyboy Schist 1,343 255 Other schists 887 267 Serpentine 36 217 Total 7,726 2,027 Let the random variable X denote the depth (rounded to the nearest foot) for nonfailed wells. Detemine the cumulative distribution function for X. Round your answers to four decimal places (e.g. 98.7654). x < 217 217 <x < 218 218 <x < 231 231 < x < 255 255 < x < 267 267 < x < 317 317 <x F(x) 0.0047 ! ! i 0.
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