Answer:
The standard error for her sample is SE = 0.6095
Step-by-step explanation:
By definition, the standard error of the mean is:
Where:
is the standard deviation
is the sample size.
For the information provided in the problem we know that:
Then we introduce these values in the formula of the error to obtain the value.
Just divide 92 divided by 8 to get 11.5
Answer:
m= 11/2
Step-by-step explanation:
Answer:
41 degrees
Step-by-step explanation:
see the attached figure to better understand the problem
we know that
Applying the law of cosines
we have
A is the measure of the angle formed from the line from each lamppost to Bob
substitute
Answer:
23/24
Step-by-step explanation:
1/8 + 5/6
The common denominator is 24
1/8 *3/3 = 3/24
5/6*4/4 = 20/24
3/24 + 20/24
23/24