Exam (elaborations)
WGU C955 - Module 7: Probability
- Course
- Institution
WGU C955 - Module 7: Probability
[Show more]
Seller
Follow
Victorious23
Reviews received
Content preview
WGU C955 - Module 7: ProbabilityWhat is the probability of someone having a birthday in March or December?
a 1/6
b 1/4
c 1/3
d 1/2 - -1/6
-The table below shows the breakdown of workers at a business. What is the
probability of selecting a worker who is over 45 years of age to the nearest
hundredth?
Age
18−25 26−44 45+ Total
Male 75 200 125 400
Female 50 225 100 375
Total 125 425 225 775
a 0.16
b 0.29
c 0.42
d 0.55 - -0.29
-The table below shows the breakdown of workers at a business. What is the
probability that a randomly selected 18−25 year old is male (to the nearest
hundredth)?
Age
18−25 26−44 45+ Total
Male 75 200 125 400
Female 50 225 100 375
Total 125 425 225 775
a 0.48
b 0.52
c 0.56
d 0.60 - -0.60
-The probability that Jimmy attends school on any given day is 0.98 . The
probability Jimmy misses a day of school, given that he missed the day
before, is 0.5 . What is the probability that Jimmy misses school on BOTH
Tuesday and Wednesday?
a 0.0004
b 0.01
c 0.02
, d 0.04 - -0.01
-The following table shows the percentage of events at an arena.
Basketball 26%
Hockey 19%
Concert 18%
Table Tennis 9%
Other 28%
What is the disjoint probability of having a basketball or hockey game at the
arena?
a 27%
b 37%
c 45%
d 55 - -45%
-A game has a 10 -sided fair die. What is the probability of rolling an even
number or a number less than 5 ?
a 1/10
b 3/10
c 7/10
d 9/10 - -7/10
-A survey on favorite pizza topping was given: 33% said cheese was their
favorite topping, 25% said pepperoni, 15% said sausage, and 27% said
other. If two people are picked at random and replaced, what is the
probability of picking two people that like cheese? Round your answer to a
whole number.
a 0%
b 11%
c 33%
d 66% - -11%
-There was a marble drawn from a bag in an experiment and placed back in
the bag repeatedly. A red marble appeared 45 times, a blue marble 70
times, a green marble 63 times, and a black marble 22 times. What is the
empirical probability of the blue marble?
a 0.11
b 0.225
c 0.315
d 0.35 - -0.35
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 Victorious23. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $14.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
77333 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now