Find the Standard error and confidence interval for proportion.
A home owner claims that the current market value of his house is at least $400,000. Sixteen real estate agents were asked independently to estimate the house's value and 9 supported the homeowners claim.
i) Find out the standard Error of Proportion.
ii) Find out the 95% confidence interval for the population proportion.
iii) Find the 99 percent confidence interval for the population proportion.