Andy is going to invest his money into two different stocks. Both stocks are independent. One stock has a 50% chance of being successful and a 50% chance of falling. The other has a 60% chance of being successful and a 40% chance of falling. Each stock will make Andy $500 if it succeeds or lose
him $500 if it fails. What is the probability distribution of profit?

Profit
Probability
Both Fail
1 fail
O fail

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective

On traditional maps, earth is represented in a flat plane, or by euclidean geometry. however, a globe is a more accurate model that comes from elliptical geometry.how does a globe represent the fact that there are no parallel lines in elliptical geometry? the equator is not parallel to any other latitudinal lines. the north and south poles are never connected by a geodesic. the geodesics connecting the north and south poles never intersect. the geodesics connecting the north and south poles intersect at both of the poles.

If f(x) = 4x - 3 and g(x) = x + 4, find (f - g) (x)