380 students in key stage 3. 240 students in key stage 4. 110 students in key stage 5. She needs a sample of 100 students stratified by key stage. Work out the number of students from key stage 3

The host of a game show is holding a bag with chips to see what prizes the contestants will play for. five (5) of the chips say “new car” ten (10) of the chips say “new tv” three (3) of the chips say “trip to france” contestant named “patty” reaches into the bag. a. what is the probability of choosing a tv chip? b. what is the probability of choosing a car chip next without replacing the 1st chip? c. are these dependent or independent events?