Suppose a research firm conducted a survey to determine the average amount of money steady smokers spend on cigarettes during a week. A sample of 100 steady smokers revealed that the sample mean is $80 and the sample standard deviation is $20. What is the probability that a sample of 100 steady smokers spend between $76 and $84?

The answer here, x=7, is not in the interval that you selected in the previous part. what is wrong with the work shown above?

Southeastern oklahoma state university's business program has the facilities and faculty to handle an enrollment of 2,000 new students per semester. however, in an effort to limit class sizes to a "reasonable" level (under 200 generally), southeastern's dean, holly lutze, placed a ceiling on enrollment of 1,600 new students. although there was ample demand for business courses last semester, conflicting schedules allowed only 1,440 new students to take business courses.the utilization rate for southeastern=%the efficiency rate for southeastern=%

Shelby bought her dream car, a 1966 red convertible mustang, with a loan from her credit union. if shelby paid 5.1% and the bank earned a real rate of return of 3.5%, what was the inflation rate over the life of the loan?