Which statement is modeled by the expression? 500/n

a. The community theater had a capacity of 500 seats. If n is the number of tickets sold for a performance, then 500/n is number of seats that were left empty for that performance.

b. Jody had 500 dollars in her savings account. She withdrew n dollars to buy some camping supplies. She then had 500/n dollars left in her savings account.

c. A store had 500 apples to be placed in bags with an equal number of apples in each bag. If n is the number of bags to be used, then 500/n is the number of apples in each bag.

d. The Perez family drove 500 miles each day of their vacation. If their vacation lasted for n days, then 500/n is the total number of miles they traveled on their vacation.

correct answer gets brain

The survey of study habits and attitudes (ssha) is a psychological test that measures the motivation, attitude toward school, and study habits of students, scores range from 0 to 200. the mean score for u. s. college students is about 115, and the standard deviation is about 30. a teacher who suspects that older students have better attitudes toward school gives the ssha to 55 students who are at least 30 years of age. the mean score is 113.2. assume the population standard deviation is 30 for older students what is the margin of error for a 95% confidence interval for the population mean score for a. older students? b. compute the 95% confidence interval for the population mean score for older students. c. compute the 99% confidence interval for the population mean score for older students. d. compute the 88% confidence interval for the population mean score for older students.