Instruction 6.3 the Number of Column Centimetres of Classified Advertisements Appearing on Appearing
Essay
Instruction 6.3
The number of column centimetres of classified advertisements appearing on Mondays in a certain daily newspaper is normally distributed with population mean 320 and population standard deviation 20 cm.
-Referring to Instruction 6.3,for a randomly chosen Monday,what is the probability there will be between 280 and 360 column centimetres of classified advertisement?
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