Homework: Section 4-3 HW Score: 0 of 1 pt 4.3.31 15 or 18 (14 complete) HW Score

Question

Homework: Section 4-3 HW Score: 0 of 1 pt 4.3.31 15 or 18 (14 complete) HW Score: 73 68%, 14 of 19 pts Assigned Media | Question Help * The table below summarizes results from a study of people who refused to answer survey questions. A market researcher is interested in responses, especially from 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 Age 18-21 22-29 30-39 40-49 50-59 60 and over Responded 78 Refused 70250141 26 143 260 20 207 57 The probability that the subject responded or is between the ages of 22 and 39 is Round to three decimal places as needed.) Enter your answer in the answer box and then click Check Answer All parts showing

Explanation / Answer

from given table:

P(subject responded or between 22 and 39)=(1079+20+33)/1261= 0.898

18-21 22-29 30-39 40-49 50-59 60 and over total responded 78 260 250 141 143 207 1079 refused 11 20 33 26 35 57 182 total 89 280 283 167 178 264 1261

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