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bogarth

A coin is tossed 2500 times. There is about a 68% chance that the percent of heads is in the range 50% plus or minus 0.5% 1% 1.5% 2% 2.5%

  • 11 months ago
  • 11 months ago

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  1. dumbcow
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    im thinking its 1% if this is binomial distribution... \[\sigma = \sqrt{np(1-p)} = \sqrt{2500*.5*.5} = 25\] 25 is 1% of 2500

    • 11 months ago
  2. dinakar
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    yes ,it is right ans

    • 11 months ago
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