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P value?by moonman239
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#1
Jun2310, 10:01 AM

P: 300

If I hypothesize that 70% of all my future coin tosses will come up heads, and I sample 15 coin tosses and get 13 heads, what is the probability that my hypothesis is correct?



#2
Jun2610, 12:36 PM

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P: 2,481

Obviously you underestimated, so you need to calculate whether the difference 13/15  0.7 is significantly different from zero.
See figure 1 of http://www.sportsmed.org/tabs/resear...ete%20Data.pdf 


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