A forester measured 27 trees in a large wooded area (Area A) that is up for sale. He found that the average diameter of the trees to be 11.3 inches with a standard deviation of 3.4 inches. Suppose these trees follow a normal distribution and accurately represent the entire forested area. About what percent of the trees should be more than 3 inches in diameter

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

On new year's day, the average temperature of a city is 5.7 degrees celsius. but for new year's day 2012, the temperature was 9.8 degrees below the average. i) if a represents the average temperature on new year's day and 7 represents the temperature on new year's day 2012, what formula accurately relates the two values together? ii) what was the temperature on new year's day 2012? dt a 0.8 ii) - 4 1 degrees celsius da-t-98 ii) 59 degrees celsius 1) 7 = -9,8 11) 59 degrees celsius ii) l degrees celsius

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.