A drawer contains 12 brown socks and 12 black socks, all unmatched. A man takes socks out at random in the dark. Answer the following questions. Question 7 Select the least number of socks that he must take out to be sure that he has at least two socks of the same color. 12 4 1 3 Question 8 Select the least number of socks that he must take out to be sure that he has at least two black socks. 3 12 14 8
Added by Paul B.
Close
Step 1
To be sure that he has at least two socks of the same color, he needs to take out one more sock of each color. So, the least number of socks he must take out is 3. For the second question, if the man wants to be sure that he has at least two black socks, he needs Show more…
Show all steps
Your feedback will help us improve your experience
Adi S and 95 other Intro Stats / AP Statistics educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
A drawer contains 12 brown socks and 12 black socks, all unmatched. A man takes socks out at random in the dark. How many socks must he take out to be sure that he has at least two socks of the same color?
Manisha S.
A drawer contains a dozen brown socks and a dozen black socks, all unmatched. A man takes socks out at random in the dark. a) How many socks must he take out to be sure that he has at least two socks of the same color? b) How many socks must he take out to be sure that he has at least two black socks?
Counting
The Pigeonhole Principle
A drawer contains 12 identical white socks, 18 identical black socks and 14 identical brown socks. What is the least number of socks you must choose, without looking, to be certain that you have chosen two brown socks? A drawer contains 12 identical white socks, 18 identical black socks and 14 identical brown socks. What is the least number of socks you must choose, without looking, to be certain that you have chosen two socks of the same colour?
Lauren S.
Recommended Textbooks
Elementary Statistics a Step by Step Approach
The Practice of Statistics for AP
Introductory Statistics
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD