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A PERSON CLAIMS TO BE ABLE TO PREDICT THE OUTCOME OF FLIPPING A COIN. THIS PERSON

A PERSON CLAIMS TO BE ABLE TO PREDICT THE OUTCOME OF FLIPPING A COIN. THIS PERSON

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Author: Joyce Buda
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http://theperfecthomework.com/a-person-claims-to-be-able-to-predict-the-outcome-of-flipping-a-coin-this-person-is-correct-16-25-times-compute-the-95-confidence-interval-on-the-proportion-of-times-this-person-can-predict/

1. A person claims to be able to predict the outcome of flipping a coin. This person is correct 16/25 times. Compute the 95% confidence interval on the proportion of times this person can predict coin flips correctly. What conclusion can you draw about this test of his ability to predict the future?
2. You take a sample of 22 from a population of test scores, and the mean of your sample is 60. (a) You know the standard deviation of the population is 10. What is the 99% confidence interval on the population mean?  


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