2022 chamberlain college of nursing |verified and 100
Written for
Chamberlain College Of Nursing
MATH225 / MATH 225N
All documents for this subject (27)
Seller
Follow
waldenquiz
Reviews received
Content preview
,
, SE 1.897367
z 1.960
Margin of
Error 3.718839
Lower Limit 90.781161
Upper Limit 98.218839
9. In the survey of 603 adults, 98 said that they regularly lie to people conducting surveys. Create a 99%
confidence interval for the proportion of adults who regularly lie to people conducting surveys. Use excel to
create the confidence interval rounding to 4 decimal places.
Lower Limit = 0.1238 Upper Limit = 0.2012
Confidence Level 0.990
n 603
Number of
Successes 98
Sample Proportion 0.162521
SE 0.015024
z 2.576
Margin of Error 0.038702
Lower Limit 0.123819
Upper Limit 0.201222
10. In a random sampling of 350 attendees at a minor league baseball game, 184 said that they bought food from
the concession stand. Create a 95%confidence interval for the proportion of fans who bought food from the
concession stand. Use excel to create the confidence interval rounding to 4 decimal places.
Lower limit = 0.4734 Upper Limit = 0.5780
Confidence Level 0.950
n 350
Number of
Successes 184
Sample Proportion 0.525714
SE 0.026691
z 1.960
Margin of Error 0.052314
Lower Limit 0.473400
Upper Limit 0.578028
11. Suppose that the weight of tight ends in a football league are normally distributed such that sigma squared =
1,369. A sample of 49 tight ends was randomly selected and the weights are given in the table below. Use Excel to
create a 95% confidence interval for the mean weight of the tight ends in this league. Rounding your answers to 2
decimal places and using ascending order. (Have to get square root of 1369 which is 37). Population sample is
yes .
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller waldenquiz. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $15.49. You're not tied to anything after your purchase.
