1. How many sets of answer are possible for a true-or-false quiz of 30 questions?
Added by Marcos D.
Close
Step 1
Each question can be answered in two ways: true or false. So, for each question, there are 2 possible answers. Since there are 30 questions in total, we need to multiply the number of possible answers for each question together. This can be done using the Show more…
Show all steps
Your feedback will help us improve your experience
Pritesh Ranjan and 73 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
How many sets of answer are possible for a true-or-false quiz of 20 questions?
Principles of Counting and Theories of Probability
Exercise 4
In how many ways can you answer a 15-question true or false test if you answer the first two questions with true and rest with a true or a false answer?
Marc L.
Steven C.
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