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In an experiment, a psychic is isolated in a room and instructed to provide the color (red or black) of a card chosen from a
In an experiment, a psychic is isolated in a room and instructed to provide the color (red or black) of a card chosen from a deck of 50 (half are red and the other half are black). Suppose the psychic gets 32 correct. We want to know if the results are statistically significant.
- Write down the null and alternative hypothesis
- Determine whether the results are statistically significant at the 0.05 level
- Determine whether the results are statistically significant at the 0.01 level
- Find and interpret the p-value for this test
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