Answer:
116
Step-by-step explanation:
3 to the power of 4 is 81. 7x5 =35+81=116
Answer:
1.97
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 hypothesis tested(null hypothesis),
is the standard deviation and n is the size of the sample.
In this problem, we have that:

So



The decimal for 1/2 is 0.5
Answer:
never
Step-by-step explanation:
:))