Question

The mean of 11,13,15,p is 14 then p = ……………………​

Answer 1

Answer:

p = 20

Step-by-step explanation:

$Mean = \frac{11+13+15+p}{4} = 14$

⇒ 39 + p = 14 × 4

⇒ 36 + p = 56

⇒ p = 56 -36 = 20

⇒ p = 20