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DHS 18.2 - Option 29. Decisions Ryabushko AP
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Uploaded: 10.11.2016
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1. Find the distribution of the said discrete CB X and its distribution function F (x). Calculate the expectation M (X), the variance of D (X) and standard deviation σ (X). Draw the graph of the distribution function F (x)
1.29. Of the 39 devices tested for reliability, 5 the highest category. Randomly took 4 of the device; SW X - the number of the highest category among the selected devices.
2. Dana distribution function F (x) DM X. Find the probability density function f (x), the expectation M (X), the variance of D (X), and the probability of hitting NE X on the interval [a; b]. Construct the graphs of the functions F (x) and f (x).
3. Solve the following problems.
3.29. Find the mean, variance and standard deviation SV X, uniformly distributed in the interval (8; 14).
4. Solve the following problems.
4.29. The standard deviation of measurement error azimuth equal to 0,5 °, and its expectation - zero. Rate the likelihood that the error of the arithmetic mean of three independent measurements did not exceed 1 °.
Additional information
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
For the convenience of viewing IDZ solutions on smartphones, an additional file in PDF format is sent
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