The contingency table below shows the results of a survey of online video viewing by age. Find the following probabilities or percentages:
a. Probability that a viewer is aged 18­34.
b. Probability that a viewer prefers watching TV videos.
c. Percentage of viewers who are 18­34 and prefer watching user-created videos.
d. Percentage of viewers aged 18­34 who prefer watching user-created videos.
e. Percentage of viewers who are 35­54 or prefer user created-videos.

Transcribed Image Text:

Viewer Age 18-34 35-54 55+ User Created 39 10 Type of Videos Preferred TV 30 10 Row Total 69 20 Column Total 52 48 100