Ace - AI Tutor
Ask Our Educators
Textbooks
My Library
Flashcards
Scribe - AI Notes
Notes & Exams
Download App
gregory cole

gregory c.

Divider

Questions asked

BEST MATCH

A company has offices in two different countries. Employee salaries at both locations are strongly skewed toward the higher salaries. Every month, the company takes separate random samples of \[60\] employees from each location for a survey. Each time, they look at the difference in the mean salary sampled from each location \[\left( \bar{x}_\text{A} - \bar{x}_\text{B} \right)\]. What do we know about the shape of the sampling distribution of \[\bar{x}_\text{A} - \bar{x}_\text{B}\], and why? Choose 1 answer: Choose 1 answer: (Choice A) It's exactly normal, because both populations are normally distributed. A It's exactly normal, because both populations are normally distributed. (Choice B) It's approximately normal, because both sample sizes are at least \[30\]. B It's approximately normal, because both sample sizes are at least \[30\]. (Choice C) It's skewed, because the populations are skewed, and both sample sizes are at least \[30\]. C It's skewed, because the populations are skewed, and both sample sizes are at least \[30\]. (Choice D) The shape cannot be determined since we don't know the shape of either population distribution. D The shape cannot be determined since we don't know the shape of either population distribution.

View Answer
divider
BEST MATCH

6. Suppose a substance decays at a yearly rate equal to half the square of the mass of the substance present. If we start with 50 g of the substance, how long will it be until only 25 g remain? 7. A cup of boiling water is placed outside at 1:00 PM. One minute later the temperature of the water is 152° F. After another minute its temperature is 112° F. What is the outside temperature? 8. A 96 lb weight is dropped from rest in a medium that exerts a resistive force with magnitude proportional to the speed. Find its velocity as a function of time if its terminal velocity is -128 ft/s.

View Answer
divider
BEST MATCH

True or false, dry environmental conditions are not good for preserving organic material like plants. True False

View Answer
divider
BEST MATCH

What is the theoretical energy of Green that has 501 nm in wavelength

View Answer
divider
BEST MATCH

How is the morphology and structure of erythrocytes facilitates the loading, unloading and carrying of oxygen?

View Answer
divider
BEST MATCH

The graph below represents the market for electric cars. Which of the following will cause the demand curve to shift from $D_1$ to $D_2$? a. An increase in the price of semiconductors used in the production of all cars b. An increase in the price of gas c. A decrease in the price of gas d. A drop in the price of electric cars

View Answer
divider
BEST MATCH

2.3 Exercises The given set is a basis for a subspace $W$. Use the Gram-Schmidt process to produce an orthogonal basis for $W$ in 1-2. $\begin{bmatrix} 1 \ 1 \ 1 \ 1 \end{bmatrix}$, $x_2 = \begin{bmatrix} 0 \ 1 \ 1 \ 1 \end{bmatrix}$, $x_3 = \begin{bmatrix} 0 \ 0 \ 1 \ 1 \end{bmatrix}$ 1. $x_1 = $ $\begin{bmatrix} 3 \ 0 \ -1 \end{bmatrix}$, $x_2 = \begin{bmatrix} 8 \ 5 \ -6 \end{bmatrix}$ 2. $x_1 = $ 3. Find an orthogonal basis for the column space of the matrix $\begin{bmatrix} 3 & -5 & 1 \ 1 & 1 & 1 \ -1 & 5 & -2 \ 3 & -7 & 8 \end{bmatrix}$

View Answer
divider
BEST MATCH

Question 3 For the following FAs, find $FA_2.FA_1$, $FA_2+FA_2$, and $FA_1^*$

View Answer
divider
BEST MATCH

Review I Constants Using appropriate half-cell reactions, calculate the equilibrium constant at 298.15 K for the reactions. Part A: 2Ni(s) + O(g) + 2H2O(aq) = 2Ni(OH)2(s) Reaction E(V): Ni(OH)2(s) + 2e- = Ni(s) + 2OH(aq) (0.72 V) O(g) + 2H2O(l) + 4e- = 4OH(aq) (0.401 V) Express your answer to one significant figure. Part B: 2NO(aq) + O2(g) = 2NO2(aq) Reaction E(V): NO(aq) + H2O(l) + 2e- = NO2(aq) + 2OH(aq) (0.10 V) O2(g) + 2H2O(l) + 4e- = 4OH(aq) (0.401 V) Express your answer to one significant figure.

View Answer
divider
BEST MATCH

(a) Write the function: float getDistance (float x1, float y1, float x2, float y2) which computes and returns the distance between two coordinate points. (b) Given two circles, write a function of the form: int intersect (int cx1, int cy1, int r1, int cx2, int cy2, int r2) which returns 1 if circle 1 intersects circle 2; otherwise, 0. (c) Write the function: int getNumIntersects (int n, int x[], int y[], int r[], int cx, int cy, int cr) which returns the number of intersections between circle (cx, cy; cr) and the circles in the arrays. (d) Write an openframeworks program create the data needed for making such image. Follow the given algorithm. 1. Declare variables. (a) 3 arrays for circles list: x[], y[], r[] (dim 1000) (b) single circle: cx, cy, cr (c for candidate) (c) count: int 2. Setup. Set the first circle in the circles arrays to a random circle and set count to 1. 3. Update. (a) Generate a candidate circle randomly (b) If no intersects, add candidate to circles array and increment the count 4. Draw. Draw all the circles

View Answer
divider