30. Based on the sample results in Data Set 3 "Body Temperatures" in Appendix B, assume that human body temperatures are normally distributed with a mean of 98.20F and a standard deviation of 0.62F.

Data Set 3: Body Temperatures TI-83/84 list names DIT8, DIT12, D2T8, D2T12 (no list for (BODYTEMP): SEX and SMOKE). Missing data values are Body temperatures ("F) are from 107 subjects taken on two consecu- represented by 9999. tive days at 8 AM and 12 AM (first five rows shown here). SEX is gender of subject, and SMOKE indicates if subject smokes (Y) or does not smoke (N). Data provided by Dr. Steven Wasserman, Dr. Philip Mackowiak, and Dr. Myron Levine of the University of Maryland. SEX SMOKE DAY 1-8 AM DAY 1-12 AM DAY 2-8 AM DAY 2-12 AM M 98.0 98.0 98.0 98.6 M 97.0 97.6 97.4 M 98.6 98.8 97.8 98.6 M N 97.4 98.0 97.0 98.0 M Z 98.2 98.8 97.0 98.0