Refer to the sample data in the table below. Assume one of the 559 test subjects is randomly selected. Find the probability of selecting someone who does not use drugs. Does the result appear to be reasonable as an estimate of the actual proportion of the adult population that does not use drugs, 0.904? Results from Drug Tests of Job Applicants Positive Test Result| Negative Test Result o Test shows drug use.) (Test shows no drug use.) Subject Uses Drugs (True Positive) 24 (False Positive) (False Negative) 478 (True Negative) Subject Does Not Use Drugs The probability that a randomly selected subject does not use drugs is. (Simplify your answer. Round to three decimal places as needed.) Since this probability is V the actual proportion 0.904, the result V a reasonable estimate.

MATLAB: An Introduction with Applications
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Chapter1: Starting With Matlab
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Identical twins come from a single egg that split into two embryos, and fratemal twins are from separate fertilized eggs. Also, identical twins must be of the same sex and the sexes are equally likely, and sexes of fraternal twins are equally likely. If a pregnant woman is told that she will give birth to fratemal twins, what is the
probablity
e will have one child of each sex? Use the data table below to find the probability.
Sexes of Twins
boyiboy
boylgirl
girliboy
girligirl
Identical Twins
3
3
Fraternal Twins
9
The probability is
(Type an integer or a simplified fraction.)
Transcribed Image Text:Identical twins come from a single egg that split into two embryos, and fratemal twins are from separate fertilized eggs. Also, identical twins must be of the same sex and the sexes are equally likely, and sexes of fraternal twins are equally likely. If a pregnant woman is told that she will give birth to fratemal twins, what is the probablity e will have one child of each sex? Use the data table below to find the probability. Sexes of Twins boyiboy boylgirl girliboy girligirl Identical Twins 3 3 Fraternal Twins 9 The probability is (Type an integer or a simplified fraction.)
Refer to the sample data in the table below. Assume one of the 559 test subjects is randomly selected. Find the probability of selecting someone who does not use drugs. Does the result appear to be reasonable as an estimate of the actual proportion of the adult population that does not use drugs, 0.904?
Results from Drug Tests of Job Applicants
Positive Test Result Negative Test Result
Test shows drug use.) (Test shows no drug use.)
Subject Uses Drugs
(True Positive)
24
(False Positive)
(False Negative)
478
(True Negative)
Subject Does Not Use Drugs
The probability that a randomly selected subject does not use drugs is.
(Simplify your answer. Round to three decimal places as needed.)
Since this probability is
V the actual proportion 0.904, the result
V a reasonable estimate.
Transcribed Image Text:Refer to the sample data in the table below. Assume one of the 559 test subjects is randomly selected. Find the probability of selecting someone who does not use drugs. Does the result appear to be reasonable as an estimate of the actual proportion of the adult population that does not use drugs, 0.904? Results from Drug Tests of Job Applicants Positive Test Result Negative Test Result Test shows drug use.) (Test shows no drug use.) Subject Uses Drugs (True Positive) 24 (False Positive) (False Negative) 478 (True Negative) Subject Does Not Use Drugs The probability that a randomly selected subject does not use drugs is. (Simplify your answer. Round to three decimal places as needed.) Since this probability is V the actual proportion 0.904, the result V a reasonable estimate.
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