|
Author Question: A shipping firm suspects that the mean life of a certain brand of tire used by its trucks is less ... (Read 14 times) |
Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.
The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
Approximately 500,000 babies are born each year in the United States to teenage mothers.
Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.
Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.