Step-by-step explanation:
All three sides are equal, so this is an equilateral triangle.
Answer: C. y = 4x - 1
Step-by-step explanation:
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The missing table for the Test Result can be expressed as:
Test Result
Positive Negative
Cancer Present 0.21 0.79
Cancer Absent 0.06 0.94
Answer:
Step-by-step explanation:
A tree diagram is an elegant way of determining an exhaustive list of sample elements in the sample space. It is by finding the ordered n-tuples of the elements in the events under consideration.
The tree diagram for selecting a person from the population in the given question can be found in the attached image below.
Answer:
C. The mean increases by 0.75.
Step-by-step explanation:
The mean of a data set is given by the sum of all its values, divided by the number of values.
Data set {10, 2, 8, 9, 5, 2, 6}
7 values
Sum: 10 + 2 + 8 + 9 + 5 + 2 + 6 = 42
Mean: 42/7 = 6
Adding number 12 to the data set
Now we have 8 values
The sum is 42 + 12 = 54
The mean is 54/8 = 6.75
This means that the mean increases by 0.75.
You have to substitute the x points for x & the y points for y: (0,6) (9,15) (6,12) (12,20)
y = 6 + x
6 = 6 + 0
6 = 6
y = 6 + x
15 = 6 + 9
15 = 15
y = 6 + x
12 = 6 + 6
12 = 12
y = 6 + x
20 = 6 + 12
20 = 18
The point that does NOT pass through is (12,20).