You measure 40 watermelons' weights, and find they have a mean weight of 32 ounces. Assume the weights are normally distributed and the population standard deviation is 12.2 ounces. Based on this,...

You measure 40 watermelons' weights, and find they have a mean weight of 32 ounces. Assume the weights are normally distributed and the population standard deviation is 12.2 ounces. Based on this, what is the maximalmargin of error associated with a 95% confidence interval for the true population mean watermelon weight.


Give your answer as a decimal, to two places


E=±_______ounces