There are 6 10 minute segments in an hour ( 60 / 10 = 6)
80 * 6 = 480 T-shirts in 1 hour
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.
Answer:
I'm pretty sure its a Trapezoid but don't quote me
Step-by-step explanation:
I don't really know
Answer:
the answer is 1
Step-by-step explanation: