Answer:
42 cents
Step-by-step explanation:
Data provided in the question:
Random variable i.e gain with values 3,2,1,-1.
Now,
The corresponding probabilities will be as follows:




Expected gain = 
Expected gain = ![(\frac 13)^{3}[3+6+3-(0.7407)]](https://tex.z-dn.net/?f=%28%5Cfrac%2013%29%5E%7B3%7D%5B3%2B6%2B3-%280.7407%29%5D)
![=(\frac 16)^{3}[11.2593]=0.4170](https://tex.z-dn.net/?f=%3D%28%5Cfrac%2016%29%5E%7B3%7D%5B11.2593%5D%3D0.4170)
≈ 42 cents
75 %
Because if 10 is half and 5 is half of 10 its 75%
Step-by-step explanation:
l dont understand your question
is it 3 and a fifth or 31/5
Answer:
The daughter is 36 years old and the son is 12 years old.