1 2 3 4 P(X) 0.15 0.25 0.30 0.20 0.10 a) Find the mean and standard deviation of the number of hours of study. b) If 6 students are selected from this university, what is the probability that 4 will be found to study 3 hours each day?

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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.