Answer:sorry i need points for my test
Step-by-step explanation:
Answer:
<h2>A. 2x² + 5x + 1</h2>
Step-by-step explanation:

Answer:
As there are 2 equations and two unknowns there is 1 solution
Answer:
The test statistic for this test is 3.82.
Step-by-step explanation:
The null hypothesis is:
The alternate hypotesis is:
Our test statistic is:
In which X is the sample mean,
is the value tested at the null hypothesis,
is the standard deviation of the population and n is the size of the sample.
In this question:

So
The test statistic for this test is 3.82.