Example Exercise: 4.41 (Advanced High School Statistics)
Slides are available at:
https://drive.google.com/open?id=1wnn...
Suppose the true population proportion were p = 0.5 and a researcher
takes a simple random sample of size n = 50.
(a) Find and interpret the standard deviation of the sample proportion p-hat.
(b) Calculate the probability that the sample proportion will be larger than 0.55 for a random
sample of size 50.
All of our textbooks are free to download:
http://www.openintro.org/books