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21. Refer to the previous question, suppose time spent in death traps is normally distributed. If Doctor Jones considers a new random sample of 10

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21. Refer to the previous question, suppose "time spent in death traps" is normally distributed. If Doctor Jones considers a new random sample of 10 death traps, then the sampling distribution for the corresponding sample mean A) is normal with a standard deviation of 0.411. B) may not be normal because the Central Limit Theorem requires n to exceed 30. C) is normal with a standard deviation of 1.3. A) may not be normal with a standard deviation of 0.411. B) may not be normal with a standard deviation of 1.3

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