If the mean of x+2,2x+3, 3x+4, 4x+5 is X+2, find x
Select one:
a. -1
b. 1
c. 4
d. 0
Answers
Answered by
0
Answer:
-1
Step-by-step explanation:
mean =sum of observation /total no of observation
mean =x+2
x+2+3x+4+2x+3+4x+5/4=x+2
10x+14=4x+8
6x=-6
x=-1
Answered by
0
Answer:
-1
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