RRB NTPC CBT I 16 Jan 2021 Shift 1 Paper
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Question : 71 of 100
Marks:
+1,
-0
Find the missing frequency(p) for the following distribution whose mean is 8 :
|
x : |
3 |
5 |
7 |
9 |
11 |
13 |
|
f : |
6 |
8 |
15 |
p |
8 |
4 |
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