Solve the inequality.
> 
A. x < -7, x > 11
B. - 11 < x < 7
C. -7 < x < 11
D. no values
Answer: C
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In order to determine how American undergraduate college students feel about eliminating spring break in order to finish spring term a week early, a survey was conducted. Two hundred undergraduate students from the University of Miami (FL) were interviewed. Both of the interviewers hired to conduct the survey were told to interview 25 freshmen, 25 sophomores, 25 juniors, and 25 seniors. Of the 200 students interviewed, 20% were in favor of the elimination of spring break, 70% were opposed, and 10% had no opinion.Based on the fact that 20% of the students interviewed were in favor of the elimination of spring break, the value 20% is
A. a sample. B. a parameter. C. a statistic. D. a population. E. none of these
Solve the problem.Assume the cost of a car is $21,000. With continuous compounding in effect, find the number of years it would take to double the cost of the car at an annual inflation rate of 6.2%. Round the answer to the nearest hundredth.
A. 160.52 yr B. 1.61 yr C. 11.18 yr D. 171.70 yr
Perform the division.
?
?
A. 13x - 22 B. 13x - 17 C. 13x2 - 17 D. 22 - 13x
You hear on the evening news:"The economy last year grew by 5% from the previous year, and this was the second year in a row in which the economy showed a 5% growth." This means that, in dollar terms, the economy grew more last year than the year before. State whether this statement is right or wrong. ?
A. Right B. Wrong