Answer:
The value of the test statistic is -3.14.
Step-by-step explanation:
Test statistic:

In which X is the sample mean,
is the expected value,
is the standard deviation and n is the size of the sample.
A company advertises that its cans of caviar each contain 100 g of their product.
This means that 
They calculate a sample mean weight of 99 g and a sample standard deviation of 0.9 g. Sample of 8 cans.
This means that 
So the test statistic will be given by:



The value of the test statistic is -3.14.
this will be the answer
1: x=-4 or x=-3 and the second can be shown clearly
Answer:
The runner-up ate 5 hotdogs
Step-by-step explanation:
15/3 = 5
Answer:
16n^2+40n+25
Step-by-step explanation:
I may not fully understand the question but the value of 7 is 7. The value of 6 is 6 and the value of 9 is 9.