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System & Device Check
About the Class
1. Probability density function of Normal distribution
2. Properties of Normal distribution
3. Formula of standard Normal Variable
4. Probability density function of Standard normal variable
5. Standard normal distribution curve
6. Area inside standard normal distribution curve
7. Reading the Standard normal distribution table,
8. Find area under standard normal distribution table.
9. If Mean=40 and SD=10, find out P(x is less than 20), P(x is more than 60), P(x is between 30 and 60) using standard normal distribution table.
10. Application: As a result of test on electric light bulbs, it was found that the lifetime of particular make was distributed normally with average life of 1000 burning hours and standard deviation of 200 hours. Out of 10000 bulbs produced by the company how many bulbs are expected to fail (i) in the first 800 burning hours, (ii) between 800 and 1200 burning hours, (iii) more than 1200 burning hours?
11. Application: The height distribution of a group of 2989 individuals is known to be normal distribution with mean 65 inch and standard deviation 2.1 inch. Find the number of individual whose height is (i) less than 60.8 inches, (ii) lie between 60.8 inch and 67.1 inch, (iii)above 67.1 inches.
Language of instruction:
English
Keywords: normal distribution and its applications
