Specialist2023 Exam 2 Section A · Q19CAS active1 mark
Probability for a sum of normal random variables
A company accountant knows that the amount owed on any individual unpaid invoice is normally distributed with a mean of $800 and a standard deviation of $200.
What is the probability, correct to three decimal places, that in a random sample of 16 unpaid invoices the total amount owed is more than $13 500?
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