A survey of 200 recent high school graduates found that 170 had driver licenses and 108 had jobs. 21 graduates said that they had neither a driver license nor a job. a. Draw a two-way frequency table to represent the situation.
b. If one of these 200 graduates is randomly selected, what is the probability that he or she has a job and no license?
c. If the randomly selected graduate is known to have a job, what is the probability that he or she has a license?

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2

Kendra had twice as much money as kareem. kendra later spent $8 and kareem earned $6. by then,the two had the same amount of money. how much money did each have originally?

Agroup of student volunteers participates in a study designed to assess several behavioral interventions for improving output in a repetitive task. prior to the beginning of the study, all volunteers unknowingly observed, and their output is measured. at the beginning of the study, prior to any intervention, the volunteers perform the same task under the observation of a study administrator, and their overall output increases. which of the following terms describes this phenomenon? a. simpson's paradox b. hawthorne effect are d. novelty effect d. pygmalion effect e. observer-expectancy effect