please answer: 1. probability that a viewer prefers watching videos on a TV screen;2. percentage of viewers who are 18 to 34 and prefer videos on a mobile or laptop device3. percentage of viewers given they are 18 to 34 who prefer videos on a mobile or laptop device4. percentage of viewers who are 35 to 54 or prefer videos on a mobile or laptop device.

The contingency table below shows the results of a survey of video viewing habits by age. Video Viewing Platform Preferred Mobile/Laptop ROW Viewer Age Device TV Screen Total 18 to 34 32 28 60 35 to 54 14 14 28 55+ 4 8 12 Column Total 50 50 100 Find the following probabilities or percentages