Question

If the mean of 4, 9, 10 and x is 8, then find the value of .
pls answer fast​

Answer 1

Question ⤵️

If the mean of 4, 9, 10 and x is 8, then find the value of x ??

A᭄ɴsᴡᴇʀ ⤵️

$mean = > \frac{sum \: of \: observations}{total \: no. \: of \: observations} \\ = > \frac{4 + 9 + 10 + x }{4} = 8 \\ = > 4 + 9 + 10 + x = 8 \times 4 \\ = > 23 + x = 24 \\ = > x = 24 - 23 \\ = > x = 1$

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