| Topic | Problem | Solution |
|---|---|---|
| None | The figure below shows three graphs: $\mathbf{A}$… | Let's start by analyzing graph A (blue). If this is the function f, then graph B (red) should repre… |
| None | \( > \) Next question \( \rightleftarrows \) Get … | \(z = \frac{\hat{p} - p_0}{\sqrt{\frac{p_0(1-p_0)}{n}}} \) |
| None | Week 7 Homework Score: \( 24.58 / 30 \quad 29 / 3… | Define the null hypothesis \(H_0\) and alternative hypothesis \(H_1\): \(H_0: p = 0.8\), \(H_1: p <… |
| None | Hypothesis Test for a Population Proportion Many … | 1. Calculate the sample proportion ($\hat{p}$) and its complementary proportion ($1-\hat{p}$): $\ha… |
| None | 4 Old MacDonald has a paddock in the shape $O A B… | \(A\) is the intersection of \(y = 3x + 1\) and \(y = -5x + 15\). We solve the system of equations: |
| None | Score on last try: 0.2 of 1 pts. See Details for … | n=71, x=12, \( \hat{p} = \frac{12}{71} \), p_0 = 0.3 |
| None | 4 Old MacDonald has a paddock in the shape $O A B… | Find the intersection of the two lines \(y = 3x + 1\) and \(y = -5x + 15\). |
| None | Score on last try: 0.6 of 1 pts. See Details for … | Step 1: Set the null and alternative hypotheses: \(H_0: p = 0.9\) and \(H_1: p > 0.9\)(right-tailed… |
| None | a) $6,3 \times 10^{9}$ | To solve this problem, we need to multiply 6.3 by 10 raised to the power of 9: \(6.3 \times 10^{9}\… |
| None | Javier is $175 \%$ heavier than his brother. If J… | Calculate the percentage difference in weight between Javier and his brother: \(1.75 \times 80\) |
| None | > Next question \( \rightleftarrows \) Get a simi… | \( Z = \frac{(\frac{233}{257}) - 0.86}{\sqrt{\frac{0.86(1-0.86)}{257}}} \) |
| None | Question 23 Testing Claims You wish to test the f… | \( \hat{p} = \frac{106}{440} \) |
| None | Question 23 Score on last try: 0.3 of 1 pts. See … | Calculate the sample proportion: \(\hat{p} = \frac{142}{186}\) |
| None | 1.1. Um barco a motor movendo-se rio abaixo ultra… | Let the speed of the boat in still water be Vb and the speed of the river current be Vr. |
| None | The diagram shows a sphere and a cone. Diagram NO… | Let the radius of the sphere be r and the radius of the cone be 3r. |
| None | If $\cos \theta=-\frac{3}{4}$ and is in Quadrant … | Given $\cos \theta = -\frac{3}{4}$, we can plug this value into the Pythagorean identity $\sin^2 \t… |
| None | 2. \[ \left(8 \times 10^{-3}\right)(0.0003) \] Sc… | \(\left(8 \times 10^{-3}\right)(0.0003)\) |
| None | Week 7 Homework Score: \( 15.58 / 30 \quad 18 / 3… | \begin{aligned} \text{Test Statistic }= \frac{\text{Sample Proportion} - \text{Population Proportio… |
| None | Score: \( 16.18 / 30 \quad 20 / 30 \) answered Qu… | \(Z = \frac{(p - \hat{p})}{\sqrt{\frac{p(1-p)}{n}}}\) |
| None | QUESTION 10 5 points + Sa Find the critical value… | \(\text{For question 10}:\) |
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