A is the answer since if you graph it, it has those points, or you may just simply plug in the x points that are given and see if they equal the y number
Yes because when you turn into a decimal it's 7.2
9/10 is the answer. Basic elementary math
Answer:
<u>12 ( 3z + 5 )</u>
Step-by-step explanation:
Answer:
The value of an appropriate test statistic for the car dealer to use is -4.
Step-by-step explanation:
The null hypothesis is:

The alternate hypotesis is:

The test statistic is:

In which X is the sample mean,
is the value tested at the null hypothesis,
is the standard deviation and n is the size of the sample.
In this problem:

Then



The value of an appropriate test statistic for the car dealer to use is -4.