Question

If Efi = 20, Ef;x;= 2 p + 20, and mean of
distribution is 12, then find the value of p.​

Answer 1

Step-by-step explanation:

12 = (2p + 20)/20

12 × 20 = 2p + 20

240 = 2p + 20

240 - 20 = 2p

220 = 2p

p = 110