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 what is the probability that the person has a high school certificate?
ArijitPatra:
257/321
is the right answer
be my friend
no is not correct
i have answer but not a solution
the answer is 0.8
both are same
how
thanks
for answer
Answers
Answered by
39
Answer:
514/ 642.
Step-by-step explanation:
As the number of total samples is 642. And the number of positive samples is 514. Hence the probability of getting a positive sample is 514/ 642
Answered by
0
Answer:
Given that:
Total number of people n(S)=642
No. of peoples having high school certificate n(E)=514
P(E)=Probability that the person has a school certificate
∴P(E)=
n(S)
n(E)
=
642
514
=0.8
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