Question

please answer my question I will send the email ☺️☺️☺️☺️​

Answer 1

Step-by-step explanation:

$\frac{sum \: of \: observations}{total \: number \: of \: observations} = mean$

$\frac{3 + 5 + 0 + x}{4} = 3$

$\frac{8 + x}{4} = 3$

$8 + x = 3 \times 4$

$8 + x = 12$

$x = 12 - 8$

$x = 4$

$c \: is \: answer$

$thank \: you$

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