This Question: 1 pt 7 of 21 (6 complete) This Test: 2 The table below summarizes

Question

This Question: 1 pt 7 of 21 (6 complete) This Test: 2 The table below summarizes results from a study of people who refused to answer survey questions. A market researcher is interested in response those between the ages of 22 and 39. Find the probability that a selected subject responds or is between the ages of 22 and 39 s, especialy tram Age 18-21 22-29 254 20 30-39 244 50-59 137 35 60 and over 201 57 40-49 Responded 72 Refused 26 The probability that the subject responded or is between the ages of 22 and 39 is Round to three decimal places as needed.) lla ns neral Enter your answer in the answer box to search

Explanation / Answer

Total number of respondents= 1043

Total number of Refused= 182

Total Study of people= 1225

P(Responded) =1043 / 1225

P(between 22-39) = (254+20+244+33) / 1225 = 551 / 1225

P(Responded and between 22-39) = (254+244) / 1225 = 498 / 1225

P(Responded or between 22-39) = (1043 / 1225)+ (551 / 1225) - (498/1225) =1096 /1225 = 0.894694

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