Of 600 students sampled, 480 said they hoped to own a house someday. With 99.7% confidence, what is the approximate percentage of the students in the population who hope to own a house someday? A. 73.5% to 86.5%
B. 75.1% to 84.9%
C. 76.7% to 83.3%
D. 78.4% to 81.6%

Candice uses the function f(t)=t+100−−−−−−√ to model the number of students in her after-school program. the variable t represents days and f(t) represents the number of students. how many days does it take for there to be 15 students in her program? a. 225 days b. 125 days c. 325 days d. 115 days