Answer:
0.38
Step-by-step explanation:
Simply divide 19 by 50 on a calculator.
I got 36000000 . Hope this helps
Let a,b,c,d and e are five numbers
mean = (a +b+ c+ d+e)/5 = 30
⇒ (a +b+ c+ d+e) = 150_______(1)
now, Let the number excluded be a
then, new mean = (b+ c+ d+e)/4 = 28
⇒ (b+ c+ d+e)= 112
putting this value in (1),
⇒a + 112 = 150
⇒a = 150 -112 = 38
excluded number = 38
3.)
180-90-59=x
X=31
4.)
180-73-79=x
X=28
