1. Nurse Feelgood conducted a study to discover the lived experience of parents whose unborn children undergo surgery while in utero. She wanted to obtain in-depth descriptions of their experiences. Which design did she use?

            a. descriptive

            b. correlational

            c. quasi-experimental

            d. experimental

            e. phenomenological

            f. ethnography

            g. historical

            h. grounded theory

2. She obtained people to participate in the study by asking patients admitted to the hospital for the surgery. She was able to find 12 patients over a three-month period. What method of sample selection did she use?

            a. purposive

            b. snowball

            c. convenience

            d. quota

3. What were the members of her sample called?

            a. subjects

            b. participants

            c. target population

            d. cohort

4. How did she collect data?

            a. survey

            b. interview

            c. chart review

            d. all of the above

Please provide the correct answers and explanation along it as why that is correct and others are wrong

The drawing shows three different resistors in two different circuits. The battery has a voltage of V = 20 V, and the resistors have resistances of R1 = 50.0 ?, R2 = 25.0 ? and R3 = 10.0 ?. Determine the current through and the voltage across each resistor.

Let Zt = U sin(2*pi*t) + V cos(2*pi*t), where U and V are independent random variables, each with
mean 0 and variance 1.
(a) Is Zt strictly stationary?
(b) Is Zt weakly stationary?

Differential Geometry

3. Evaluate the 1-form f = x² dx - y² dz on the vector fields V = xU1 + yU2 + zU3, W = xy (U1 - U3) + yz (U1 - U2), and (1/x)V + (1/y)W.

Calculate the standard cell potential given the following standard reduction potentials:

Al3++3e−→Al;E∘=−1.66 V
Fe2++2e−→Fe;E∘=−0.440 V

Express your answer to two decimal places and include the appropriate units.

1. The tomato is dropped. What is the velocity, v, of the tomato when it hits the ground? Assume 93.9 % of the work done in Part A is transferred to kinetic energy, E, by the time the tomato hits the ground.

v=____m/s <--- this is how the answer is set up

Block copy, and paste, the argument into the window below, and do a proof to prove that the argument is valid. This question is worth 25 points.

1. (p   • q)   •   (q ⊃   x)
2. ~x v ~s
3. n   v   s     : .    t ⊃ n

Could you show me how to convert this problem?

A physician has ordered 5600 mg of penicillin V, intramuscularly. If penicillin V were available as 0.80 g/mL of solution, how many milliliters would you need to give?

for each matrix A below, describe the invariant subspaces for the induced linear operator T on F^2 that maps each v set of F^2 to T(v)=Av. (a) [4,-1;2,1], (b) [0,1;-1,0], (c) [2,3;0,2], (d) [1,0;0,0]

Topology question:

Show that a function f : ℝ → ℝ is continuous in the ε − δ definition of continuity if and only if, for every x ∈ ℝ and every open set U containing f(x), there exists a neighborhood V of x such that f(V) ⊂ U.