The community relief fund receives a large donation of $2800. the foundation agrees to spend the money on $20 school bags, $25 sweaters, $5 books. they want to buy 200 items and send them to schools in earthquake-hit areas. they must order as many books as school bags and sweaters combined. how much of each must they buy

What properties allow transformation to be used as a problem solving tool

Elizabeth is using a sample to study american alligators. she plots the lengths of their tails against their total lengths to find the relationship between the two attributes. which point is an outlier in this data set?

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.