Numerade

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You want to obtain a sample to estimate the proportion in the population who support gun control. Based on previous evidence, you believe the population proportion is approximately 17%. You would like to be 95% confident that your estimate is within 1.5% of the true population proportion. How large of a sample size is required? Do not round mid-calculation. However, use a critical value accurate to three decimal places.

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A factor in whether employees are absent from work, even when they are unhappy at their job, is their level of:

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What of the following behavior therapy techniques does the description below refer to regarding anxiety treatment? "The main technique of behavior therapy for phobias and anxiety and related disorders are exposure, having children face what frightens them, while providing ways of coping other than escape and avoidance." Group of answer choices Socratic questioning Exposure Behavioral activation Coping skills

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How many solutions does the following equation have over the interval [0, 2?)? 5 cos²(5x) - 5 cos(5x) = 0 ? 30 ? 15 ? 20 ? 5 ? 0 ? 10

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Find the derivative for the following function. $y = -8\sqrt[3]{x}$

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If you perform more than three measurement trials for Daphnia experiment, explain why you decided to perform extra trials and if you choose to eliminate some of the data from the average, explain why you did not include it.

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in 2020 the top exporting countries account for what percentage of the worlds export of merchandise trade?

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b) Reverse the order of the following integral and evaluate it. \begin{equation*} \int_{-4}^{-2} \int_{0}^{\sqrt{y+4}} yx \,dx\,dy \end{equation*}

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6. Use the Laplace transform method to evaluate (a) $\int_{-\infty}^{\infty} e^{-tx^2} dx$, $t > 0$ (b) $\int_{0}^{\infty} \frac{\sin xt}{x} dx$ (c) $\int_{0}^{\infty} \frac{\cos tx}{a^2 + x^2} dx$ ($a, t > 0$) (d) $\int_{0}^{\infty} \cos(tx^2) dx

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Question 23 Is every vertex of a graph included in each of the following? depth first traversal [Choose] breadth first traversal [Choose] topological ordering [Choose] Question 24 3 pts 1 pts Assume you were creating a directed graph to represent data in the real world. In this graph, the vertices represent cities in the United States. The edges represent direct flights between cities. In other words, if there is an edge from Vertex A to Vertex B, that means there is a direct flight that goes from City A to City B. If there is no direct edge from Vertex M to Vertex N, that means there is no direct flight that goes from City M to City N. Think about what this graph would look like if it used real-world data. Would the graph be complete? Yes, the graph would be complete. No, the graph would NOT be complete.

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nicholas h.