A recent community survey of 100 citizens showed that 55% of respondents approved of water rationing. The data was simulated 500 times. In those simulations, the lowest sample was p=45 and the highest sample was p =66. Use the standard deviation method for determining the error margin with 95% confidence. A. What is the error margin?

B. What is the interval estimate for the true population proportion?

How am i goonna know explain

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.