Answer :
Answer:
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Step-by-step explanation:
First, we need to get the sum of the four numbers
[tex]mean = \frac{sum \: of \: all \: items}{number \: of \: items} [/tex]
Sum of all four numbers = 23*4
Sum of five numbers = 23*4 + 33
Mean of five numbers = (23*4 + 33)/5