Answer:

Step-by-step explanation:
It is given that,

We need to find the measure of
.
From the given figure, 
Putting all the values, we get :


So, the measure of
is 30 degrees.
Answer:

Step-by-step explanation:
We know that the sample size was:

The average was:

The standard deviation was:

The confidence level is


The confidence interval for the mean is:

Looking at the normal table we have to

Therefore the confidence interval for the mean is:



This means that <em>the mean planned spending of all Americans who take long summer vacations in 2009 is between $ 1024.69 and $ 1127.31</em>
Answer:
1.7646383e+18
Step-by-step explanation:
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Answer:
1428 cubic inches
Step-by-step explanation:
The volume of a rectangular prism is
, where V represent volume, l is the length, w is the width, and h is the height.
You are given that the length is 12 inches, the width is 7 inches, and the height is 17 inches.
Solve.
V = 12 * 7 * 17
V= 1428 in³
A.
EXPLANATION:
The mode is the peak of the data, in this data set, 5/8
The median is the center of data, in the data set, 1/2
5/8>1/2
Mode>Median