Answer to Question #251161 in Economics for Sanae

Question

In a survey concerning electronic monitoring and surveillance it was found that 112 of 320 businesses fired worker
for misuse of the Internet, and 225 of 750 businesses fired workers for email misuse.
a) Construct and interpret a 95% confidence interval for the proportion of businesses that have fired workers for
misuse of the Internet. (2)
b) Construct a 90% confidence interval for the proportion of businesses that fired workers for email misuse.

Answer 1

$$(106, 118)$$

For illegal use of the Internet, at least 106 employees and no more than 118 were fired.

$$(202,248)$$

At least 202 employees and no more than 248 employees were fired for misuse of e-mail.