P value?

by moonman239
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moonman239 is offline
Jun23-10, 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?
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EnumaElish is offline
Jun26-10, 12:36 PM
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P: 2,483
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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