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Mathematics, 13.10.2020 05:01 noeltan12031
You have heard that in sports like boxing there might be some competitive advantage to those wearing red uniforms. You want to test this with your new favorite sport of chess-boxing. You randomly assign blue and red uniforms to contestants in 20 matches and find that those wearing red won 14 times (or 70%). You conduct a test of significance using simulation and get the following null distribution. (Note this null distribution uses only 100 simulated samples and not the usual 1000 or more.)
Probability of success (π): 0.5
Sample size (n): 20
Number of samples: 100
Total = 100
Suppose you want to see if competitors wearing red win more than 50% of the matches in the long run, so you test H0: π= 0.50 versus Ha: π > 0.50. What is your p-value based on the above null distribution? Suppose you now want to see if competitors wearing either red or blue have an advantage, so you test H0: π= 0.50 versus Ha: π ≠ 0.50. What is your p-value now based on the above null distribution?
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