Problem N5593 probability theory confidence interval

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5593. x̅=51, n=49, σ=0.5. Based on the sample size n=49, the arithmetic mean x̅в=51 was found. Assuming that X is a normally distributed random variable, find the confidence interval that covers the unknown mathematical expectation a with reliability γ=0.99 if the general standard deviation σ=0.5

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  • Updated on the site 22.04.2023
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)

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Problem N5593 probability theory confidence interval
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Cumulative discount

30 $ the discount is 10%
20 $ the discount is 7%
18 $ the discount is 6%
15 $ the discount is 5%
12 $ the discount is 4%
9 $ the discount is 3%
6 $ the discount is 2%
3 $ the discount is 1%
Check your discount

Amount of purchases from the seller:  $

Your discount:  %

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