This exercise provides information about data in a survey of students. of the students who identified their class year in the survey, 82 were first years, 219 we're sophomores, 28 we're juniors, and 61 were seniors. find p^, the proportion who are upper class students (juniors or seniors.) round your answer to three decimal places.

10 points? ? +++ me asap gabriella uses the current exchange rate to write the function, h(x), where x is the number of u.s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a) gabriella averages 7.5 u.s. dollars for every 100 euros. b) gabriella averages 100 u.s. dollars for every 25 euros. c) gabriella can exchange 75 u.s. dollars for 100 euros. d) gabriella can exchange 100 u.s. dollars for 75 euros.