In a sample study of 642 people , it was found that 514 people have a high school certificate. if a person is selected at random the probability that a person has a high school certificate.
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Answer:
sample space=n(s)=642
A-people having high school ceritificate
n(A)=514
therefore,
p(A)=n(A)/n(S)
p(A)=514/642
p(A)=0.8
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