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A routine exercise designed to test one's knowledge; often from a textbook, course, or test used for a class or self-study. This community's policy is to "provide helpful hints" for such questions rather than complete answers.

4 votes
3 answers
4k views

Normal distribution probability

The annual returns on stocks and treasury bonds over the next 12 months are uncertain. Suppose that these returns can be described by normal distributions with stocks having a mean of 15% and a stand …
user2385's user avatar
0 votes
1 answer
280 views

Probability and limits

I've been having some trouble with this story problem. Any help you could give me would be really appreciated. A store manager monitors the store's temperature by taking 4 independent temperature …
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