Advanced Placement (AP), 18.12.2020 09:00, bellapearl163

Ap gov frq A news company conducts a poll to predict the outcome of an upcoming presidential election. Reporters go to a shopping mall and ask five hundred people which candidate they intend to vote for. These are the results of the poll:
Candidate A: 52%
Candidate B: 48%

a) Describe a potential problem with relying on the results of the poll.

b) In the context of the scenario, explain an action the media company can take to increase the poll's accuracy.

c) In the context of the scenario, explain how the poll results can affect the outcome of the election in that state.

Answers: 1

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answered: thicklooney

i) Why did this industry attract the attention of planners and policy makers?

Explanation:

i) Why did this industry attract the attention of planners and policy makers?

answered: wi8wuwj283jendjdudjd

a) The poll was not conducted with a representative sample of the population because it only relied on the people present at the mall and who just so happened to run into the news company. On top of this, since the results were so close together it's likely that, since the sample was not representative, the majority could have leaned the other way if another poll was conducted at a different location or at a different time.

b) Instead of going to the mall and asking whoever they find, they can collect a strong sample that is representative of the population as a whole. This would entail ensuring demographic percentages are relatively accurate for factors such as race or gender. Also, opening up the poll to the US as a whole rather than just one shopping mall in one state would allow for them to get a better idea for what Americans across the nation support.

c) If the poll shows that a majority of people support a specific candidate, people who are less informed about voting issues or the platforms the candidates are running will most likely just vote for the candidate that has the most support. This is because they would follow the logic of 'if more people support them then they must be better' even if they do not actually support their stances on specific issues.

answered: Guest

Manual pipetting creates a musculoskeletal load on the neck, shoulders, and upper limbs and the type of injuries that this can lead to is called repetitive stress injuries.

answered: Guest

You need to figure out at which x-value does the graph has a tangent line slope of -1.remember, the derivative is the slope of the tangent line. so find the derivative function and set it to equal -1 to find the x-value that will have a tangent line slope of 0.differentiate with the chain rule. $\begin{aligned} f(x) & = (0.5)^{2x} \\ f'(x) & = 0.5^{2x} \cdot \ln(0.5) \cdot (2x)' \\ f'(x) & = 0.5^{2x} \cdot \ln(0.5) \cdot 2 \\ f'(x) & = 2\ln(0.5) \cdot 0.5^{2x} \end{aligned}$ set the derivative to equal -1 and solve for x. $\begin{aligned} -1 & = 2\ln(0.5) \cdot 0.5^{2x} \\ -\frac{1}{2} & = \ln(0.5) \cdot 0.5^{2x} \\ -\frac{1}{2\ln(0.5)} & = 0.5^{2x} \end{aligned}$ take log base 10 of both sides. also recall that $\log_c(m^n) = n \log_c m$ . $\begin{aligned} \log\left[ -\frac{1}{2\ln(0.5)}\right] & = \log\left[0.5^{2x}\right] \\ \log\left[ -\frac{1}{2\ln(0.5)}\right] & = 2x \log(0.5) \\ \dfrac{\log\left[ -\frac{1}{2\ln(0.5)}\right]}{2\log(0.5)} & = x \\ x & \approx 0.2356 \end{aligned}$ so the x-coord of the point of tangency is $x \approx 0.2356$ .the y-coordinate of this point of tangency can be calculated using the original function: $\begin{aligned} f(x) & = (0.5)^{2x} \\ f(0.2356) & = (0.5)^{2 \cdot 0.2356} \\ & \approx 0.7213 \end{aligned}$ using point-slope form, the equation of the tangent line is $y - 0.7213 = -1(x-0.2356)$ the x-intercept of this tangent line is when the graph is at y=0. $\begin{aligned} 0 - 0.7213 & = -1(x-0.2356)\\ - 0.7213 & = -(x-0.2356) \\ 0.7213 & = x-0.2356\\ x & = 0.9569 \end{aligned}$ this rounds off to $x & = 0.957$ .choice c.

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Ap gov frq A news company conducts a poll to predict the outcome of an upcoming presidential electi...