Starting from the base of the hill, Kit climbed up the hill 87 ft. After taking in the view, she then climbed down the hill 39 f
2 answers:
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Answer:
Reflexive
Step-by-step explanation:
The reflexive property of equality says that a given real number is always equal to itself.
For example :
are all examples of reflexive properties of equality.
can be simplified to
Which is explains why it is the reflexive property.
Answer:
(1) The probability that an individual who tests negative does not carry the disease is 0.9709.
(2) The specificity of the test is 98%.
Step-by-step explanation:
Denote the events as follows:
<em>X</em> = a person carries the disease
<em>Y</em> = the test detected the disease.
Given:
The probability of a person not carrying the disease is:
The probability that the test does not detects the disease when the person is carrying it is:
The probability that the test does detects the disease when the person is not carrying it is:
(1)
Compute the probability that an individual who tests negative does not carry the disease as follows:
Thus, the probability that an individual who tests negative does not carry the disease is 0.9709.
(2)
By specificity it implies that how accurate the test is.
Compute the probability of negative result when the person is not a carrier as follows:
Thus, the specificity of the test is 98%.