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Find the probabilities or percentages

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Reference no: EM132845705

The contingency table below shows the results of a survey of video viewing habits by age.viewer age:

Viewer Age. Mobile/Laptop Device.  TV Screen.  Row Total

18-34: 39 30 69

35-54. 10 10 20

55+ 3 8 11

Column Total. 52 48 100

Find the following probabilities or percentages:

(a) Probability that a viewer is aged 18-34. (Round your answer to 2 decimal places.)

Probability

(b) Probability that a viewer prefers watching videos on a TV screen. (Round your answer to 2 decimal places.)

Probability

(c) Percentage of viewers who are 18-34 and prefer videos on a mobile or laptop device.

Percentage of viewers %

(d) Percentage of viewers given they are 18-34 who prefer videos on a mobile or laptop device. (Round your answer to 2 decimal places.)

Percentage of viewers %

(e) Percentage of viewers who are 35-54 or prefer videos on a mobile or laptop device.

Percentage of viewers %

Reference no: EM132845705

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