FIU is interested in the popularity of its bookstore. A recent survey of students at Florida International University found that only 47% of its students buy their textbooks at FIU's bookstore. If randomly selected groups of thirty students are surveyed, what would the standard deviation be for the number of students, in groups of thirty, who buy their textbooks from the university bookstore?

Do not round intermediate calculations. Enter your answer as a decimal rounded to three places.

Standard deviation of the number of FIU students who buy their textbooks from the university bookstore =