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 the person is having high school certificate is
1st. 0.5
2nd 0.6
3rd 0.7
4th. 0.8
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Answer:
0.8
Step-by-step explanation:
Total number of persons = 642
Number of persons with high school certificate = 514
therefore Required probability=514 / 642 =0.80
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