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Rich's first psychology exam score is +1 standard deviation from the mean in a normal distribution. The test has a mean in a normal distribution.

Rich's first psychology exam score is +1 standard deviation from the mean in a normal distribution. The test has a mean in a normal distribution. The test has a mean of 60 and a standard deviation of 6. Rich's percentile rank (NOT grade) would be approximately

70%

84%

66%

cannot determine from the information given

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