ty-six students from a certain region were surveyed. The contingency table cross-classifies these students by Uses Social Media rent grade level and whether they use social media Yes (F.) No (F2) Total Grade 11 (D. 12 12 24 Grade 12 (D2 18 4 22 Total 30 16 46 How many of these students use social media? here are 30 students who use social media How many of these students are in grade 12? There are 18 students in grade 12 . How many students are in grade 11 and use social media? There are 12 students in grade 11 who use social media d. Compute the probability a randomly selected student is in grade 11 (D,) P (D, ) = [0.522) (Round to three decimal places as needed.) Compute the probability a grade 12 student does not use social media (D, & F2) P (D2 & F2) = 0 250 (Round to three decimal places as needed) R More