Professor Liu found that among the students who had taken his classes, 35% received a letter grade of A- or higher. He randomly sampled 100 students from the group. What is the probability that the proportion of students with a letter grade of A- or higher in the sample is no more than 0.3? (Hint: use the sampling distribution of the proportion.) Group of answer choices 0.400 0.147 0.201 0.350 0.300