anonymous
  • anonymous
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%
Mathematics
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SOLVED
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jamiebookeater
  • jamiebookeater
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dumbcow
  • dumbcow
im thinking its 1% if this is binomial distribution... \[\sigma = \sqrt{np(1-p)} = \sqrt{2500*.5*.5} = 25\] 25 is 1% of 2500
anonymous
  • anonymous
yes ,it is right ans

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