Mean of 32000 and a standad deviation of 3000. if 100, Ask an Expert

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Assume that the salaries of elementry school teachers in the US are normally distributed with a mean of $32,000 and a standad deviation of $3000. If 100 teachers are randomly selected, find the probability that their mean salary is greater than $32,500

a) 0.0475
b) 0.0950
c) 0.3312
d) 0.1312
e) 0.9525

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