Question
Mathematics Question on Probability
If the mean of 18, 19, x, 25 and 26 is 21, then find the mean of 5, 11, 13, 19 and (3x-1)
A
21
B
20.6
C
19.6
D
18.8
Answer
19.6
Explanation
Solution
The correct option is(C): 19.6
If the mean of 18, 19, x, 25 and 26 is 21, then find the mean of 5, 11, 13, 19 and (3x-1)
21
20.6
19.6
18.8
19.6
The correct option is(C): 19.6