SAT Probability and conditional probability Question

At the beginning of an experiment, the temperature of a liquid is 23 degrees Celsius ( ${}^{\circ }$ C). During the first 4.0 minutes of the experiment, the temperature of the liquid increases at an average rate of 6.5 ${}^{\circ }$ C per minute. Then, the temperature of the liquid increases at a constant rate of 2.2C per minute. If the temperature of the liquid reaches 61 ${}^{\circ }$ Cx minutes after the beginning of the experiment, where $x>4.0$, which equation represents this situation? (A)$61=2.2x+49$ (B)$61=2.2(x-4.0)+49$ (C)$61=2.2(x-4.0)+26$ (D)$61=2.2x+23$ A science club from a certain high school in Ohio conducted an experiment to study the effects of smell on taste. A sample of 100 students was selected at random from the high school to participate in the experiment. First, the students tasted a pureed food sample while wearing covered goggles and nose plugs. Then, the students tasted the same pureed food sample without nose plugs. 35 students were able to correctly identify the pureed food sample while wearing nose plugs. Which of the following is the largest population to which the results of the experiment can be generalized?