Suppose T(4) follows an Erlang distribution with n=4 and λ=0.4. Compute each of the following: The expected value of T(4) equals
The standard error of T(4) equals
P(T(4)≤20)=

What could explain what happened when the time was equal to 120 minutes

Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m

If $740 is invested at an interest rate of 11% per year and is compounded continuously, how much will the investment be worth in 7 years? use the continuous compound interest formula a = pert.