Heights of 10 year olds, regardless of gender, closely follow a normal distribution with mean 55 inches and standard deviation 6 inches. (a) what is the probability that a randomly chosen 10 year old is shorter than 48 inches? ( round to four decimal places)

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)

Astudent survey asked: "how tall are you (in inches)? " here's the data: 67, 72, 73, 60, 65, 86, 72, 69, 74 give the five number summary. a. median: 73, mean: 70.89, iqr: 5, min: 60, max: 74 b. 60, 66, 72, 73.5, 86 c. 60, 67, 72, 73, 74 d. 0, 60, 70, 89, 74, 100