Answer:
Option B) Reject null hypothesis
Step-by-step explanation:
We are given the following in the question:
We are given the null hypothesis:
Two tailed z-test
Now, 
Since,
The calculated z-statistic does not lie in the acceptance region, we fail to accept and reject the null hypothesis.
Left-tailed z-test
Now, 
Since,
We fail to accept and reject the null hypothesis.
Right-tailed z-test
Now, 
Since,
We fail to accept and reject the null hypothesis.
Answer:
4^3
Step-by-step explanation:
4×4×4
Multiply 4 and 4 to get 16.
16×4
Multiply 16 and 4 to get 64.
64=4^3
Answer:
negative
Step-by-step explanation:
that would be a negative corrolation
Answer:
1 5/8 inches
Step-by-step explanation:
It can work out well to subtract integer portions and fractional portions, then combine the results.
(9 1/4) -(7 5/8) = 9 + 1/4 - 7 - 5/8
= (9 -7) +(1/4 -5/8)
= 2 + (2/8 -5/8)
= 2 -3/8
= 1 5/8
The piece of Myles' shoestring that broke off is 1 5/8 inches long.
