Answer:0.25
Step-by-step explanation:
Suppose a circle of Radius R
Points which are near to the circle will lie in the vicinity of center up to a distance r
r should be equal to i.e. beyond 0.5 R points are away from the center and inside 0.5 R it is closer to center
Probability of finding a point closer to the circle is
Answer:
i think the answer is A
Step-by-step explanation:
<u>Answer:</u>
The Ranking Percentile is (B) 97.5%
<u>Explanation
:</u>
To find the percentile rank we need to find the z- score. After finding the z-score match this value with the corresponding value in z-score table.
Formula to find the z-score
Z-score=
Substituting the values in the above equation, we find
Z-score= =2
So, the Z-score is +2
Now, the corresponding value of Z-score 2 in the table is 0.9772
or the percentile score is 97.72 ~ 97.5
.