Exam (elaborations)
Exam (elaborations) MIDTERM EXAM MATH302 (MATH302)
- Course
- Institution
Exam (elaborations) MIDTERM EXAM MATH302 (MATH302)
[Show more]
Seller
Follow
PerfectStudy
Reviews received
Content preview
Part 1 of 9 - 1.0/ 1.0 Points1.0/ 1.0 Points
Question 1 of 25
Which measure of central location is meaningful when the data are categorical?
A.The mode
B.The median
C.The mean
D.The range
Answer Key: A
Part 2 of 9 - 2.0/ 2.0 Points
1.0/ 1.0 Points
Question 2 of 25
What type of probability uses sample spaces to determine the numerical probability that an event
will occur?
A.subjective probability
B.empirical probability
C.conditional probability
D.classical probability
Answer Key: D
1.0/ 1.0 Points
Question 3 of 25
The formal way to revise probabilities based on new information is to use:
A.common sense probabilities
B.unilateral probabilities
, C.complementary probabilities
D.conditional probabilities
Answer Key: D
Part 3 of 9 - 3.0/ 3.0 Points
1.0/ 1.0 Points
Question 4 of 25
Suppose that 50 identical batteries are being tested. After 8 hours of continuous use, assume that
a given battery is still operating with a probability of 0.70 and has failed with a probability of
0.30.
What is the probability that fewer than 40 batteries will last at least 8 hours?
A.0.0789
B.0.9598
C.0.7986
D.0.9211
Answer Key: D
1.0/ 1.0 Points
Question 5 of 25
Find the variance of the following probability distribution.
X P(X)
1 0.20
2 0.15
3 0.25
4 0.25
5 0.15
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 PerfectStudy. 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.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
81298 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now