Practice Question 6 (13.7) - Lecture - 13 - Discrete Mathematics - Vol 1
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Question 6

Practice - Question 6

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Calculate the average of the numbers 4, 5, and 6.

💡 Hint: Sum the numbers and then divide by how many numbers there are.

Question 2 Easy

If the numbers are 2, 2, and 3, which number is greater than the average?

💡 Hint: First calculate the average.

1 more question available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the average of the numbers: 5, 10, and 15?

7
10
15
20

💡 Hint: Add all numbers and divide by 3.

Question 2

If all numbers in a set are less than the average, is this possible?

True
False

💡 Hint: Think back to the contradiction method we discussed.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given the numbers 1, 2, 4, 5, 8, demonstrate that at least one number is greater than the average, then calculate the average.

💡 Hint: First, compute the average correctly before identifying the numbers altering the interpretation.

Challenge 2 Hard

You have temperatures recorded as 30, 32, 31, 29, and 28 degrees celcius. Prove at least one recorded temperature is above the average.

💡 Hint: Remember to sum up the temperatures and divide by the count.

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