Question

The mean of three numbers is 4. Two of the numbers are shown below. What is the missing number? 1, 9, ?

Answer 1

Mean= 2
1+9=10
(10+2)/3=4
You need to find a number that is able to divide by 3 when you add it to 10 and will equal 4

Answer 2

If the mean is 4 then the missing number will be 2.

What is mean?

The mean is the average of all the data values present in the data set.

Mean=sum/number

How to calculate mean?

Let the missing number be x in this way mean will be

(1+9+x)/3=4

10+x=12

x=2

Hence if mean is 4 then the missing number will be 2.

Learn more about mean at https://brainly.com/question/1136789

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