Use the normal distribution to find a confidence interval for a proportion p given the relevant sample results. Give the best point estimate for p, the margin of error, and the confidence interval. Assume the results come from a random sample. A 90% confidence interval for p given that
^
p
= 0.4 and n= 525.

Point estimate _____ (2 decimal places)

Margin of error _____ (3 decimal places)

The 90% confidence interval is _____ to _____ (3 decimal places)