Register to reply

P value?

by moonman239
Tags: None
Share this thread:
moonman239
#1
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?
Phys.Org News Partner Science news on Phys.org
Sapphire talk enlivens guesswork over iPhone 6
Geneticists offer clues to better rice, tomato crops
UConn makes 3-D copies of antique instrument parts
EnumaElish
#2
Jun26-10, 12:36 PM
Sci Advisor
HW Helper
EnumaElish's Avatar
P: 2,482
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


Register to reply