Answer:
D)
Step-by-step explanation:
0.65 = 65% SO THE ANSWER IS 0.45 or 45%
Answer:
y-intercept equals 4 and the x-intercept is the fraction 10/3
Answer:
The value of the test statistic is 
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(square roof of the variance) and n is the size of the sample.
In this problem, we have that:

So



The value of the test statistic is 