Answer:
14
Step-by-step explanation:
its not 14 but there is no answer to it because there are multipul equel signs
Answer:


And then the percentage between 24 and 40 would be 
Step-by-step explanation:
For this problem we have the following parameters given:

And for this case we want to find the percentage of lightbulb replacement requests numbering between 24 and 40.
From the empirical rule we know that we have 68% of the values within one deviation from the mean, 95% of the values within 2 deviations and 99.7% within 3 deviations.
We can find the number of deviations from themean for the limits with the z score formula we got:

And replacing we got:


And then the percentage between 24 and 40 would be 
Answer:
Step-by-step explanation:
-½ - 4 = -1(½ + 4) = -1(4.5) = -4.5
Answer:

Step-by-step explanation:
The slope-intercept form of an equation of a line:

<em>m</em><em> - slope</em>
<em>b</em><em> - y-intercept</em>
<em />
We have the slope
, and the y-intercept <em>b = -1.</em>
Substitute:

Answer:
-2.46
Step-by-step explanation:
-12.41+9.95=-2.46