If 1 person is randomly selected from the general population, find the probability that they score 131 or more. 2.  If 4 people are randomly selected, find the probability that their mean IQ score is at least 131.   3  If 4 people did have an average of 131 or above, is it likely that the sample is actually random?

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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.