Question 1
If a population proportion is 0.8 and a sample of sizen = 100 is randomly selected from this population, what is the standard deviation of the proportion\(\style{font-family:Times New Roman;}{\widehat p}\)?
◦ 0.0258
◦ 0.0355
◦ 0.0400
◦ 0.0538
Question 2
If the monthly rents of all one-bedroom apartments in a small town are known to be normally distributed with a mean of $175 and a standard deviation of $35, which of the following would be the least likely individual rent that you might expect to find?
◦ $135
◦ $140
◦ $210
◦ $225