OpenStax, Introductory Statistics 2e §7.2 The Central Limit Theorem for Sums · Example 1 · Statistics · Sampling distributions
The Central Limit Theorem for Sums · Example 1
(a) Find the probability that the sum of the 80 values (or the total of the 80 values) is more than 7,500.
(b) Find the sum that is 1.5 standard deviations above the mean of the sums.
Its source prints no answer for this problem, so there's nothing to check against.
OpenStax, Introductory Statistics 2e · §7.2 The Central Limit Theorem for Sums · Example 1
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