Question: 4 students apply to a PhD program.The program accepts 70% of all applicants.Students are accepted and rejected independently of each other.Let the random variable X

4 students apply to a PhD program.The program accepts 70% of all applicants.Students are accepted and rejected independently of each other.Let the random variable X represent the number of the 4 students who get accepted into the PhD Program.(Hint: Binomial distribution with n=4, P=70%)

What is the standard deviation of the random variable?(round your answer to 4 decimal places)

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