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Stats Dr. Psycho Stevens wants to estimate, with 54%% confidence, the true mean tail-length of cockapoo dogs. To accomplish this, he collected a sample of

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Dr. Psycho Stevens wants to estimate, with 54%% confidence, the true mean tail-length of cockapoo dogs. To accomplish this, he collected a sample of 300 cockapoos, Which of the following is the best choice for the critical value? O z* 0.41 Ot= 054 . 1=0.74 O t-041 O 2 -0.74 O z - 0.54

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