Problem 1. (14 points) The Census Bureau reports that 82% of Americans over the age of 25 are high school graduates. A survey of randomly selected residents of certain county included 1150 who were over the age of 25, and of them were high school graduates. Find the mean and standard deviation for the number of high school graduates in groups of 1150 Americans over the age of 25. Mean = If necessary, round your answer to 1 decimal place after the decimal point. Standard deviation = If necessary, round your answer to 2 decimal place after the decimal point. Note: You can earn partial credit on this problem. preview answers