Mathematics, 21.12.2019 19:31, laurencollett4838

Scores on a standardized test are normally distributed with a mean of 228 and a standard deviation of 18. students who score at least 2.3 standard deviations above the mean receive a certificate.

what is the minimum score required to receive the certificate?

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Scores on a standardized test are normally distributed with a mean of 228 and a standard deviation o...