Saved The contingency table below shows the results of a survey of video viewing habits by age. Video Viewing Platform Preferred Viewer Age Mobile/Laptop Device 18-34 TV Screen Row Total 63 24 40 23 35-54 12 12 55+ Column Total 13 57 43 100 Find the following probabilities or percentages: (a) Probability that a viewer is aged 18-34. (Round your answer to 2 decimal places.) Probability 0.63 (b) Probability that a viewer prefers watching videos on a TV screen. (Round your answer to 2 decimal places.) Probability 0.43 (c) Percentage of viewers who are 18-34 and prefer videos on a mobile or laptop device. Percentage of viewers 40 % (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 Next >

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A: Since you have asked multiple questions in single request,  So we will be answering only first…

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A: Use the expansion formula: (a+b+c)2=a2+b2+c2+2ab+2bc+2ca

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A: Method of false position

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A: Given differential equation: 4D4+20D3+35D2+25D+6y=0To find: General solution.

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A: Make the perfect square.

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Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.