Question

the mean of 11 ,13, 15,p is then 14 is p​

Answer 1

Step-by-step explanation:

$a = 11 \\ \\ than \: \\ 11 - 13 =- 2 \\ d = - 2\\ \\ a + (n - 1) \times d \\ \\ 11 + (n - 1) \times (- 2)$

I hope u understand

Answer 2

Step-by-step explanation:

please mark the brainliest.......