Answer:
See Attachment for Graph
Step-by-step explanation:
Given
Required
Determine the point of intersection
To do this, we simply equate both expressions of y
i.e.
Solve for x
Divide through by -5
<em>Hence, the point of intersection is 1.2</em>
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1 answer:
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Answer:
The standard deviation is used in conjunction with the mean to numerically describe distributions that are bell shaped. The mean measures the center of the distribution, while the standard deviation measures the spread of the distribution.
Step-by-step explanation:
Problems of normally distributed samples can be solved using the z-score formula.
In a set with mean and standard deviation
, the zscore of a measure X is given by
The mean is the average value of the measures while the standard deviation measures how spread the measures are from the mean. So
The standard deviation is used in conjunction with the mean to numerically describe distributions that are bell shaped. The mean measures the center of the distribution, while the standard deviation measures the spread of the distribution.