What is quantitative value that represents the outcomes from an experiment? correct answers Random Variable
What are the 2 kinds of random variables? correct answers discrete (countable) and continuous (decimals)
What is the most common type of continuous probability distribution? correct ans...
BUAL 2650 Exam 1 || A+ Guaranteed.
What is quantitative value that represents the outcomes from an experiment? correct answers
Random Variable
What are the 2 kinds of random variables? correct answers discrete (countable) and continuous
(decimals)
What is the most common type of continuous probability distribution? correct answers normal
distribution
What are some other names for a continuous probability distribution? correct answers probability
curve and probability density function (pdf)
What is the total area under the curve if f(x) always equal to? correct answers 1 or 100%
What is an area under a continuous probability distribution? correct answers a probability
How many types of normal curves are there? correct answers an infinite amount
What does the shape of any individual normal curve depend on? correct answers its specific
mean and standard deviation (also median and mode)
What is the highest point over? correct answers the mean, median, mode
Is the normal curve symmetric? correct answers yes (left and right are mirror images)
What does a larger standard deviation do to a curve? correct answers makes it shorter and wider
Do the tails of a normal curve ever touch the horizontal axis? correct answers no
What percent of the area under the normal curve is within 1 standard deviation to the left and
right? correct answers 68.26
What percent of the area under the normal curve is within 2 standard deviation to the left and
right? correct answers 95.44
What percent of the area under the normal curve is within 3 standard deviation to the left and
right? correct answers 99.73
How do you calculate a z-score? correct answers (value-mean)/standard deviation
What is the difference between x and z? correct answers x is normal distribution where z is
standard normal distribution
What is cumulative probability? correct answers means less than, the left side under curve
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 EFT, 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 this summary from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller FullyFocus. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy this summary for R186,13. You're not tied to anything after your purchase.
