Question

According to a travel reduction survey at a state university, 16% of employees rode bicycles to...

According to a travel reduction survey at a state university, 16% of employees rode bicycles to campus for work at least 3 days per week during the pst 365 days. The survey was based on a sample of 125 employees.
(a) Use this information to calculate 98% confidence intercal for the true proportion of empliyees who rode a bike to work at least 3 days per week. Be sure to state and adress any assumptions needed for the interval.
(b) What is the margin of error for estimate in part (a)?
(c) What sample size is needed if the margin of error mus be no more than 2.5%?
Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A survey of 158 students is selected randomly on a large university campus. They are asked...
A survey of 158 students is selected randomly on a large university campus. They are asked if they use a laptop in class to take notes. The result of the survey is that 79 of the 158 students responded​ "yes." An approximate 95​% confidence interval is ​(0.422, 0.578​). Complete parts a through d below. ​a) How would the confidence interval change if the confidence level had been 90% instead of 95%? b) How would the confidence interval change if the...
What tools could AA leaders have used to increase their awareness of internal and external issues?...
What tools could AA leaders have used to increase their awareness of internal and external issues? ???ALASKA AIRLINES: NAVIGATING CHANGE In the autumn of 2007, Alaska Airlines executives adjourned at the end of a long and stressful day in the midst of a multi-day strategic planning session. Most headed outside to relax, unwind and enjoy a bonfire on the shore of Semiahmoo Spit, outside the meeting venue in Blaine, a seaport town in northwest Washington state. Meanwhile, several members of...
QUESTION 1 1. Brianna is trying to increase her chances of being promoted to vice president...
QUESTION 1 1. Brianna is trying to increase her chances of being promoted to vice president by working to build good work relationships with other managers outside her own department. Brianna's behavior should be viewed as dysfunctional politics. functional politics. coercive power. functional influence. 2 points QUESTION 2 1. The Gingerbread Factory has a separate unit that makes their chocolate crunch cookies and another unit that is completely responsible for all operations in producing their ginger snap cookies. The Gingerbread...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT