bloom corporation produces light bulbs whose life folllows a normal distribution with a mean of 1200 hours and standard deviation of 250 hours. if we choose a light bulb at random , what is the probabilty that its lifetime will be between 900 and 13000 hours
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: A company produces light bulbs whose life follows a normal distribution with mean 1200 hours and standard deviation 250 hours. If we choose a light bulb at random, what is the probability that its lifetime will be between 900 and 1300 hours? SUNY at Albany - Department of Economics Eco 320 Economic Statistics • Distributions SUNY at Albany - Department of Economics Eco 320 Economic Statistics • Distributions hours. 1300 and 900 between last will bulb light a that 0.54 ely approximat is y probabilit The 5403 . ) 8849 . 1 ( 6554 . ) 2 . 1 ( ) 4 . ( ) 4 . 2 . 1 ( 250 1200 1300 250 1200 900 ) 1300 900 ( 250 1200 ) 250 , 1200 ( ~ hours. in lifetime represent X Let 2 F F Z P Z P X P X Z N X [Problem 4] F. A very large group of students obtains test scores that are normally distributed with mean 60 and standard deviation 15. Find the cutoff point for the top 10% of all students. SUNY at Albany - Department of Economics Eco 320 Economic Statistics • Distributions SUNY at Albany - Department of Economics Eco 320 Economic Statistics • Distributions...
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Explanation: In any country the government tries to preserve the community and improve its conditions. In that respect the business has to extend its co-operation to the government. If the business discharges its responsibilities the government sincerely and effectively, the government can function more efficiently.