jayrobinson258
jayrobinson258 jayrobinson258
  • 17-08-2017
  • Mathematics
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I need help please help m

I need help please help m class=

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musiclover10045
musiclover10045 musiclover10045
  • 17-08-2017

there are 10 numbers you want either a 4 or 7 ( 2 numbers)

 so probability is 2/10 which reduces to 1/5

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