help please Q4 &Q5

4.)It has been determine that 46.2% of all Crafton Hills College Students are planning to travel during the Easter Weekend. Six students who participated in the survey are randomly selected and asked if they were traveling through the Easter Weekend. Determine the following Probabilities. a.) That none of the students a planning a trip. b) That exactly 5 of the students are planning a trip. c.) That at least one of the students is planning a trip. d.) What is the probability that the second person asked was traveling? 5.) We find that twenty-one percent of US college graduates would like to work for this large company. You randomly select 1200 US college graduates and ask them whether they want to work for this company. Find the following probabilities. a.) exactly 248 b.) no more than 270 c.) at least 236 and less than 271 d.) between 275 and 350