Given a set {13, x, -1, 11}, for

sempteim245

sempteim245

Answered question

2022-03-24

Given a set {13, x, -1, 11}, for what x would the mean of the set be 3?

Answer & Explanation

Jesse Gates

Jesse Gates

Beginner2022-03-25Added 19 answers

Sum: 13+x+(-1)+11=23+x
Mean: SumCount=23+x4
If Mean = 3
23+x4=3
23+x=12
x=-11
Result:
x=(-11)

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