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Given a sample mean ̄x, a sample standard deviation s, and a relatively symmetric and bell-shaped distribution, the empirical rule states that: (Select all the apply)Multiple select question.Approximately 90% of all observations fall in the interval ̄x±2Almost all observations fall in the interval ̄x±3Approximately 68% of all observations fall in the interval ̄x±sApproximately 95% of all observations fall in the interval ̄x±2

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