A person who claims to possess extrasensory perception (ESP) says she can guess more often than not the outcome of a flip of a balanced coin. Out of 20 flips, she guesses correctly 12 times. Would you conclude that she truly has ESP? Answer by reporting all five steps of a significance test of the hypothesis that each of her guesses has probability 0.50 of being correct against the alternative that corresponds to her having ESP.
Answer to relevant QuestionsConsider all cases in which a pro basketball player shoots two free throws and makes one and misses one. Which do you think is more common: making the first and missing the second, or missing the first and making the second? ...You are told that a ball will be randomly drawn from one of two boxes (A and B), both of which contain black balls and red balls, and if a red ball is chosen, you will win $100. You are also told that Box A contains half ...Is the ideal number of children equal to 2, or higher or lower than that? For testing that the mean response from a recent GSS equals 2.0 for the question, “What do you think is the ideal number of children to have?” ...The P-value for testing H0: μ = 100 against Ha: μ ≠ 100 is 0.043. a. What decision is made using a 0.05 significance level? b. If the decision in part a is in error, what type of error is it? c. Does a 95% confidence ...The president of the American Statistical Association stated, “Statistics has become the modern-day enforcer of scientific objectivity. Terms like randomization, blinding, and 0.05 significance wield a no-doubt effective ...
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