It is known that the wages of weekly workers in a particular industry follow the Normal distribution with mean R294 and standard deviation R43. A random sample of 1 366 workers is selected. a) How many workers do you expect will earn more than R255 (rounded off to zero decimals)? b) How many workers do you expect will earn less than R315 (rounded off to zero decimals)? c) How many workers do you expect will earn between R196.82 and R336.14 (rounded off to zero decimals)?

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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.