WGU C955 - Module 7: Probability Exam
(Latest 2024/ 2025 Update) Questions and
Verified Answers| 100% Correct| Grade A
What is the probability of someone having a birthday in March or December?
a 1/6 b 1/4 c 1/3 d 1/2 - ANSWER 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 - ANSWER 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 - ANSWER 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 - ANSWER 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 - ANSWER 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
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 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 a-grade. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £6.38. You're not tied to anything after your purchase.
