Solve the following problem and then use the text editor to answer the questions that follow the scores for all high school seniors taking the verbal section of the scholastic aptitude test (sat) in a particular year had a mean score of 490 and a standard deviation of 100. the distribution of sat scores is bell-shaped • what does the empirical rule suggest? • about 68% of students scored between what 2 values? about 95% of the students scored between what 2 values? • what percentage seniors scored between 390 and 590 on this sat test? • one student scored 795 on this test. how did this student do compared to the rest of the scores

Asays "we are both knaves" and b says nothing. exercises 24–31 relate to inhabitants of an island on which there are three kinds of people: knights who always tell the truth, knaves who always lie, and spies (called normals by smullyan [sm78]) who can either lie or tell the truth. you encounter three people, a, b, and c. you know one of these people is a knight, one is a knave, and one is a spy. each of the three people knows the type of person each of other two is. for each of these situations, if possible, determine whether there is a unique solution and determine who the knave, knight, and spy are. when there is no unique solution, list all possible solutions or state that there are no solutions. 24. a says "c is the knave," b says, "a is the knight," and c says "i am the spy."

Paul’s car is 18 feet long. he is making a model of his car that is 1/6 the actual size. what is the length of the model?

Klmn and pqrs are similar trapezoids. which side of pqrs corresponds to lm