SOLUTION: The proportion of students in private schools is around 11%. A random sample of 450 students from a wide geographic area indicated that 55 attended private schools. Estimate the

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Question 135443This question is from textbook Statistics
: The proportion of students in private schools is around 11%. A random sample of 450 students from a wide geographic area indicated that 55 attended private schools. Estimate the true proportion of students attending private schools with 95% confidence.
I can't remember how to find the standard deviation..so i'm really confused. This question is from textbook Statistics

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
standard deviation for sample proportions is sqrt[pq/n]
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Let me know if you need further help.
Cheers,
Stan H.