Exam (elaborations)
Elementary Statistics (STATs 2023)Midterm Exam review Questions and Answers
- Course
- Elementary Statistics
- Institution
- St. Petersburg College
Elementary Statistics (STATs 2023)
[Show more]
Content preview
1..A polling organization contacts 2703 female university graduates who have a white collar joband asks whether or not they had received a raise at work during the past 6 months
What is the population in the study?
A. Female university graduates.
B. Female university graduates who have a white collar job.
C. Female university graduates who have received a raise at work.
D. Female university graduates who have a white collar job and have received a raise at work.
What is the sample in the study?
A. Female university graduates.
B. Female university graduates who have a white collar job.
C. The 2703 female university graduates who have a white collar job.
D. The 2703 female university graduates who have received a raise at work.
2. A doctor gives a patient a 90% chance of surviving bypass surgery after a heart attack. If the patient
survives the surgery, then the patient has a 55% chance that the heart damage will heal. Find the
probability that the patient survives the surgery and the heart damage heals.
The probability is 0.495 . (Type an integer or a decimal.)
3. Determine whether the approximate shape of the distribution in the histogram is symmetric, uniform,
skewed left, skewed right, or none of these.
Choose the best answer below.
A. Skewed right
B. Skewed left
C. Symmetric
D. Uniform
E. None of these
4. In a poll,1004 adults in a country were asked whether they favor or oppose the use of "federal tax
dollars to fund medical research using stem cells obtained from human embryos." Among the
respondents, 48% said that they were in favor. Describe the statistical study.
What is the population in the given problem? Choose the correct answer below.
A. The 1,004 adults selected
B. 48% of the 1,004 adults selected
C. All adults in the country
D. 48% of all adults in the country
Identify the sample for the given problem. Choose the correct answer below.
A. 48% of the 1,004 adults selected
B. The 1,004 adults selected
C. All adults in the country
D. 48% of all adults in the country
This study source was downloaded by 100000880779952 from CourseHero.com on 09-05-2024 13:02:28 GMT -05:00
https://www.coursehero.com/file/16730552/midterm-study-part3/
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 YourAssignmentHandlers. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $14.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
83637 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now