Explore BrainMass

Confidence Intervals

Not what you're looking for? Search our solutions OR ask your own Custom question.

This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

In random, independent samples of 225 adults and 375 teenagers who watched a certain television show... (see attached)

https://brainmass.com/statistics/confidence-interval/confidence-intervals-16965

Solution Summary

In random, independent samples of 225 adults and 375 teenagers who watched a certain television show, 146 adults and 247 teens indicated that they liked the show. Let be the proportion of all adults watching the show who liked it, and let be the proportion of all teens watching the show who liked it. Find a confidence interval for . Then complete the table below.
Carry your intermediate computations to at least three decimal places. Round your responses to at least three decimal places.

1. What is the lower limit of the 90% confidence interval? _______
2. What is the upper limit of the 90% confidence interval? _______

\$2.49