Solve. -The Sum of Three Numbers Is -6. the First, Minus

question 106

Multiple Choice

Solve.
-The sum of three numbers is -6. The first, minus the second, plus 2 times the third, is -2. The third, plus 5 times the first, plus the second, is 2. What are the numbers?

• A)2, -4, -4
• B)2, 2, -4
• C)No solution
• D)-2, 4, 4

---

Definitions:

Null Hypothesis

In hypothesis testing, it's the hypothesis that assumes no effect or no difference and serves as the basis for testing statistical significance.

Means

The average of a set of numbers, calculated by dividing the sum of these numbers by the count of the numbers in the set.

μ

The symbol denoting the population mean in statistics, representing the average of a set of values.

Sampling Distribution

The probability distribution of a given statistic based on a random sample, used to make inferences about the population.