SOA Exam P Question 81 | Multivariate Normal Approximation

Claims filed under auto insurance policies follow a normal distribution with mean 19,400
and standard deviation 5,000.
Calculate the probability that the average of 25 randomly selected claims exceeds 20,000.
(A) 0.01
(B) 0.15
(C) 0.27
(D) 0.33
(E) 0.45
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[mathing]

amazing collection, love how you explain all the problems

[jacobcann]

Would this be better labelled a Central Limit Theorem problem? I'm confused where the multivariate part comes in, is it because we're using n?