Answer:
your allowance is $25 and your friends is $15
Step-by-step explanation:
40/8*3=15
40/8*5=25
Answer:
P(X = 3) = 0.14680064
Step-by-step explanation:
Formula=============================

……………………………………………………………………..
Given :
n = 8
p = 0.2
1 - p = 1 - 0.2 = 0.8
k = 3
Then


Answer:
6.45
Step-by-step explanation:
The answer=2.5*7.5-(2.75+9.55)=18.75-(12.3)=6.45