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After surveying 997 adults, 81.6% of whom were over 30, a national sleep organization reported that 36.2% of all the adults snored; 31.3% of the respondents were snorers over the age of 30. Complete parts a) and b). GECEIP a) What percentage of the respondents were not over 30 and did not snore? P(not over 30 and did not snore)= 0.135 (Round to three decimal places as needed.) b) Is snoring independent of age? Explain. Let the event A be a respondent being over 30 and the event B be a respondent who snores. Select the correct choice below and fill in the answer box(es) to complete your choice. (Type integers or decimals rounded to three decimal places as needed.) OA. Yes, because P(BIA)=P(A)= OB. Yes, because P(BIA) = P(B) = ⒸC. No, because P(BIA) = and P(B) = 0.362

After surveying 997 adults, 81.6% of whom were over 30, a national sleep organization reported that 36.2% of all the adults snored; 31.3% of the respondents were snorers over the age of 30. Complete parts a) and b). GECEIP a) What percentage of the respondents were not over 30 and did not snore? P(not over 30 and did not snore)= 0.135 (Round to three decimal places as needed.) b) Is snoring independent of age? Explain. Let the event A be a respondent being over 30 and the event B be a respondent who snores. Select the correct choice below and fill in the answer box(es) to complete your choice. (Type integers or decimals rounded to three decimal places as needed.) OA. Yes, because P(BIA)=P(A)= OB. Yes, because P(BIA) = P(B) = ⒸC. No, because P(BIA) = and P(B) = 0.362

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter7: Percents
Section: Chapter Questions
Problem 4CST
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After surveying 997 adults. 81.6% of whom were over 30, a national sleep organization reported that 36.2% of all the adults snored; 31.3% of the respondents were snorers over the age of 30. Complete parts a) and b). GHEEFND a) What percentage of the respondents were not over 30 and did not snore? P(not over 30 and did not snore)= 0.135 (Round to three decimal places as needed.) b) Is snoring independent of age? Explain. Let event A be a respondent being over 30 and the event B be a respondent who snores. Select the correct choice below and fill in the answer box(es) to complete your choice. (Type integers or decimals rounded to three decimal places as needed.) OA. Yes, because P(BIA)=P(A) = OB. Yes, because P(B|A) = P(B)= OC. No, because P(BIA) = and P(B) 0.362
Transcribed Image Text:After surveying 997 adults. 81.6% of whom were over 30, a national sleep organization reported that 36.2% of all the adults snored; 31.3% of the respondents were snorers over the age of 30. Complete parts a) and b). GHEEFND a) What percentage of the respondents were not over 30 and did not snore? P(not over 30 and did not snore)= 0.135 (Round to three decimal places as needed.) b) Is snoring independent of age? Explain. Let event A be a respondent being over 30 and the event B be a respondent who snores. Select the correct choice below and fill in the answer box(es) to complete your choice. (Type integers or decimals rounded to three decimal places as needed.) OA. Yes, because P(BIA)=P(A) = OB. Yes, because P(B|A) = P(B)= OC. No, because P(BIA) = and P(B) 0.362
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