What is the shape of the normal distribution?, U-shaped, J-shaped, Bell-shaped, What is the mean of a standard normal distribution?, 0, 1, -1, What is the standard deviation of a standard normal distribution?, 0, 1, -1, True or False: In a normal distribution, the mean, median, and mode are all equal., True, False, What percentage of data falls within one standard deviation of the mean in a normal distribution?, Approximately 34%, Approximately 68%, Approximately 95%, What percentage of data falls within two standard deviations of the mean in a normal distribution?, Approximately 34%, Approximately 68%, Approximately 95%, What is the z-score formula?, (x - μ) / σ, (x - μ) * σ, (x + μ) / σ, In a normal distribution, what is the area under the curve to the left of the mean?, 0%, 25%, 50%, In a normal distribution, what is the area under the curve to the right of the mean?, 0%, 25%, 50%, What is the area under the entire normal distribution curve?, 100%, 90%, 80%.

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