Question

find the value of p if the mean is 15.45

Answer 1

$15.45 = \frac{6 + 8 + p + 9 + 7}{5}$
$15.45 = \frac{30p }{5}$

$\frac{77.2}{30}$
p=3

Answer 2

Hey

Here is your answer,

In attachment

Hope it helps you!