The masses of kilogram bags of flour produced in a factory have a normal distribution with mean 1.005kg and standard deviation 0.0082kg . A shelf in a store is loaded with 22 of these bags , assumed to be random sample. i. Find the probability that a randomly chosen bag has mass less than 1kg.

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.