Question

If the mean of the observation x, x+3, x+5, x+7, x+10 is 9, then that value of x is

Answer 1

If the mean of the observation x, x+3, x+5, x+7 and x+10 is 9, then mean of the last three observations is. Given that, the meanof the observation x, x+3, x+7 and x+10 is 9. Hence, the mean of last three observations is 1113.

Answer 2

Answer:

=5x+25/5=9

=5x+25=45

=5x=20

=X=20/5=4

Step-by-step explanation:

the value of X is 4