Question

09 8-2 SmartBoo X Connect X 238.1. A Brief H x W Sentencing a * + ezto.mheducation.com/ext/map/index.html?_con=con&external_browser=0&launchUr.l... * ported From IE Google Calendar Home - Students... PM Practical Algebra Le... >> Other xam Saved Help Save & Exit Subm You received no credit for this question in the previous attempt. View previous attempt The contingency table below shows the results of a survey of video viewing habits by age. Viewer Age 18-34 35-54 55+ Column Total Video Viewing Platform Preferred Mobile/Laptop Device TV Screen Row Total 32 28 60 14 14 28 8 12 50 Se 100 4 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 watlahing 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

Answer 1

number of viewer number aged 18-34 bo Total of viewer-loo Probability that viewer in caged 18-34 number Total number viewer 18-34 of viewer 0.60 bo loo number viewer videos on TV screen a 50 watching Probability 50 0.50 watching viewer sireen ho on TV c) Percentage of viewers who are prefer 14-34 and videos un mabile labhob 32660 x 10o = to lou 3.21% + O % d Total number of viewers in bo 18-34 number = 32 videos on y viewers who are 1834 prefer laptop device mobile or Teacher's Sign.

Percentage of viewers 32x100 are given they 18-34 and prefer videos on mobile laptop device bo tf 53.33 of e) number of viewers ewers who are 35-54 or prefer videos -28 + 36 64 on mobile lor laptop device Percentage y viewers = 64 x 100 100 164 6417