Suppose 12% of students chose to study spanish their freshman year, and that meant that there were 15 such students. how many students chose not to take spanish their freshman year?

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.

Identify this conic section. x2 - y2 = 16 o line circle ellipse parabola hyperbola

The tree filled 3/4 of a cup in 1/2 and hour at what rate does syurup flow from the tree