Posted by **Sejul** on Monday, April 8, 2013 at 12:12am.

65 chemical engineering students are from urban/suburban backgrounds.

(Success is defined as a C or better in the course.)

52 of the 65 students succeeded.

Another 55 students were from rural backgrounds; 30 of these students succeeded.

A Is there good evidence that the proportion of students who succeed is different for urban/suburban vs. rural backgrounds?

B) Estimate the difference between the success rates for all urban/suburban and rural students who plan to study chemical engineering. Use 90% confidence.

## Answer This Question

## Related Questions

- Algebra - In a school of 464 students, 89 students are in the band, 215 students...
- MATH - At McLeod University, thirty percent of the students are in Engineering. ...
- Math (Statistics) - Five college engineering students are choosing specialized ...
- math***CHECK ANSWER*** - please check this one answer. 3.everyone in andy's ...
- Math - A math class has 25 students. There are 13 students who are only in the ...
- math - There are 37 accounting classes with 26 students in each class. Estimate ...
- Math - There are 6 buses transporting students to a baseball game with 32 ...
- math - Later 7 students joined group 2 (41 students)and one student left to join...
- English - Could you please check if everything is correct? Thank you. 1) Thank ...
- pre algebra - all 500 students at robinson junior high were surveyed to find ...

More Related Questions