The scores on a test are normally distributed, with a standard deviation of 10 and a mean of 72. What is the probability that the mean score of a sample of 100 students is at least 74? (give answer to 5 decimal places)
Added by Dwayne H.
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Step 1: Identify the given values: - Mean (μ) = 72 - Standard deviation (σ) = 10 - Sample size (n) = 100 - Desired mean score = 74 Show more…
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