Praxis Mathematics - Content Knowledge (5161) Chapter 20 -
Sequences, Series & Probability Quiz Questions 100%
correct
1. A standard deck of playing cards has how many cards, and with 4 cards drawn being
coloured red and not replaced what is the probability that Jim's 5th card will also be
red?Hint: A standard deck contains 52 cards of which 26 are red and 26 black.
4/5
11/24
23/49
1/2 - ANSWER 11/24
2. In an aquarium there are 10 clown fish, 4 angel fish, 6 puffer fish, and 5 eels. What's
the probability of scooping out a clown fish on the second scoop after having scooped
out a clown fish on the first scoop without replacement? Give your answer as a fraction
in its most reduced form.
2/5
3/8
9/25
5/12 - ANSWER 3/8
3. The letters spelling the word CALIFORNIA are cut and put into a bag. What is the
probability that the 3rd letter selected will be a C given that the first two letters selected
were both I's? (Letters were not replaced)
1/8
1/10
1/9
1/5 - ANSWER 1/8
, 7.
Kyle works in a music store. The store takes delivery of a box of new CDs. In this
shipment, there are 10 country CDs, 5 rock CDs, 12 hip-hop CDs, and 3 jazz CDs.
What is the probability that Kyle selects a jazz CD from the box and then, without
replacing the first selection, selects a country CD?
10/290
1/32
1/29
10/320 - ANSWER 1/29
8. The probability of winning a prize in a ball toss at the carnival is 2/7. What is the
probability of NOT winning a prize?
3/7
7/7
5/7
2/7 - ANSWER 5/7
9. Using a spinner with 12 equal sized sections labeled number 1 through 12, what is the
likelihood that Jim spins a number LESS than 8?
3/4
7/12
5/6
2/3 - ANSWER 7/12
10. Amanda is attempting to put together a sample for her study. Her colleague, Dean,
suggests that Amanda use probability sampling to create a sample. Amanda agrees and
decides to use a simple random sample. Which of the following methods could Amanda
use to ensure she is creating a simple random sample?
Looking at the profiles of the subjects and selecting what appeared to be the best
participants
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 Easton. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.
