Answer:
C) -4
Step-by-step explanation:
this is correct as far as i know.
Jayden has and begins saving per week.
Aditi has and begins spending per week.
Have <u>x denote the number of weeks and y indicate the quantity each person has</u>. Therefore, according to the stated conditions, the maximum amount Jayden will have after x weeks will be,
Aditi will have after x weeks. Therefore, the number of weeks in which they will each have the same amount will be calculated as,
As a result, after 7 weeks, Lin and Diego will have the same amount, which is .
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The valid prediction for the mean of the population possible using these samples is C. Yes, the variation of the sample means is small
<h3>What is a sample mean?</h3>
It should be noted that a sample mean is an average of a set of data . Also, the sample mean can be used to calculate the standard deviation, central tendency, and the variance of a data set.
The sample mean can be applied to a variety of uses, including calculating population averages.
Here, the sample variance is a measure of the degree to which the numbers in a list are spread out. Here, the numbers given are close to each other.
If the numbers in a list are all close to the expected values, the variance will be small and if they are far away, the variance will be large.
Therefore, the correct option is C.
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Answer:
Step-by-step explanation:
We can use the Rational Root Test.
Given a polynomial in the form:
Where:
- The coefficients are integers.
- is the leading coeffcient ()
- is the constant term
Every rational root of the polynomial is in the form:
For the case of the given polynomial:
We can observe that:
- Its constant term is 6, with factors 1, 2 and 3.
- Its leading coefficient is 2, with factors 1 and 2.
Then, by Rational Roots Test we get the possible rational roots of this polynomial: