Posted by **Adam** on Wednesday, March 9, 2011 at 3:51pm.

Suppose that the proportion of students who used the Internet as their major resource for school in the past was 66%. A sample of 1000 students was taken and the number of students who used the Internet for their school during the past year was recorded. Let ��̂ be the proportion of students surveyed who used the Internet in the past year.

(A) What is the approximate distribution of ��̂ ?

(B) What is the probability that the sample proportion ��̂ exceeds 68%?

(C) What is the probability that the sample proportion lies between 64% and 68%?

## Answer this Question

## Related Questions

- Statistics and Probability - Suppose that the proportion of students who used ...
- Statistics - The proportion of students who own a cell phone on college campuses...
- Statistics - 12. The proportion of students who own a cell phone on college ...
- statistics - Dr. Snyder teaches a large introductory statistics course. In the ...
- statistics - 2. An investigator wants to estimate caffeine consumption in high ...
- statistics - In the past a certain college has found that 35% of the students ...
- statistics - The scores of students on the ACT college entrance examination in ...
- statistics - In a local university,40% of the students live in the dormitories...
- Statistics - A survey of 815 students is asked whether or not they have cable TV...
- STATISTICS - Suppose that, in order to estimate the proportion of students who ...