Gianna surveyor students about their lunch time preference. Out of 50 students 20 prefer eating lunch at 11am. 15 prefer eating at 11:50 am, 10 prefer eating eating at 11:30am, 5 have no preference. Based on the information, what is the probability that a student chosen at random has no time preferences?.

Someone answer this asap for 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.