Answer:
:
:
Step-by-step explanation:
It is given the average cost of the flight nationwide is $ 445.99
I wanted to to determine that the true average is greater than $ 445.99
Let the hypothesis that the true average is actually greater than $445.99
Therefore,
the for the test is :
:
And the alternate hypothesis is :
:
Answer:
Step-by-step explanation:
<h2><u>An exponent is multiplying a number by itself as many times as the exponent says so.</u></h2><h2><u /></h2><h2><u>So we need to find a number that times itself 3 times.</u></h2>-4 fits this.
-4 x -4 x -4
==> -64
z = -4