3 students are randomly selected with replacement from this data set, and we are interested in the probability that a student attends XUniversity. If you were to create a probability distribution, i.e. P(k=0), P(k=1), P(k=2), P(k=3), what would the standard deviation be of this distribution? (Note: You do NOT need to calculate all of the probabilities in the distribution to find the mean and variance.)

NOTE : The data for X university as follows :
Frequency= 37
Percent=61.7
Valid Percent=61.7
Cumulative Percent=61.7

Thanks :)

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