# Question

SAT scores for the entering class of 2010 at Oxnard University were normally distributed with a mean of 1340 and a standard deviation of 90. Bob's SAT score was 1430.

(a) Find Bob's standardized z-score.

(b) By the Empirical Rule, is Bob's SAT score unusual?

(a) Find Bob's standardized z-score.

(b) By the Empirical Rule, is Bob's SAT score unusual?

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