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answer question 2 using question 1
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- Assume that the entire sample has 8 positive observations and 4 negatives observations. Variable X1: at the left branch has 9 positive observations and 3 negatives observations;at the right branch has 8 positive observations and 8 negative observations. What is the information gain or reduction in uncertainty of X1 using the Gini index? (round to two decimal spaces)Show beta (a,b) belongs to the z- parameter exponential family.Assume that the entire sample has 4 positive observations and 2 negatives observations. Variable X1: at the left branch has 9 positive observations and 4 negatives observations;at the right branch has 8 positive observations and 8 negatives observations. What is the information gain or reduction in uncertainty of X1 using the Gini index? (round to two decimal spaces)
- Find the work done in emptying the tank in example 4. If the tank water is pumped to a level 1.00 meters above the top of the tank and the water is initially 4.00 meters deep.Find the perticular number or orthogonal trajectories of x2+cy2=1 passing through the point (2,1)What is a branch of z1/5 that is not continuous and positive on the imaginary axis?