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DHS 18.2 - Option 11. Decisions Ryabushko AP
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Uploaded: 10.11.2016
Content: 11v-IDZ18.2.doc 189 kB
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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)
1.11. In steady process, the company produces two thirds of its products and first grade 1/3 second; SW X - the number of first grade products from the four taken at random.
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.
3.11. Bus route a go strictly on schedule. Range of motion - five minutes. Find the probability that the passenger approached the bus stop, the bus will wait for the next less than 3 minutes.
4. Solve the following problems.
4.11. The probability of occurrence of an event in one experiment is 0.5. Can with a probability greater than 0.97, assert that the number of occurrences of 1000 independent experiments in the range of 400 to 600?
Additional information
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
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