50 PTS!!!!!

Advanced Placement (AP)

1 answer:

Brums [2.3K]3 years ago

5 0

Blue or pink, because those two colors are my favorite

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Adam saw a television program last night which gave him a topic idea for an upcoming speech. Is this ethically appropriate?

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Which of the following is TRUE about the concept of isolationism?

trapecia [35]

The correct answer for the question that is being presented above is this one: "(B) It usually stressed the avoidance of commercial as well as political ties to other nations." The statement that is true about isolationism is that i<span>t usually stressed the avoidance of commercial as well as political ties to other nations.</span>

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If the wait time is less than 30 minutes for 75% of all patients in the emergency room, what is the probability that the

Greeley [361]

The probability that the proportion of patients who wait less than 30 minutes is 0.582 or less is 0.0020

<h3>What is probability? </h3>

Probability can be defined as the likelihood of an event to occur. In statistics, the mean of the sample distribution typically shows the probability of the population.

From the parameters given:

The sample size (n) = 55 patients
Let's assume that the mean (x) = 32 (i.e. 58.2%) of the patients

The sample proportion $\mathbf{\hat p}$ can be computed by using the expression:

$\mathbf{\hat p = \dfrac{x}{n}}$

$\mathbf{\hat p = \dfrac{32}{55}}$

$\mathbf{\hat p =0.582}$

If the percentage of the probability of all patients in the emergency room = 0.75

The probability that the proportion of patients who wait less than 30 minutes is 0.582 or less can be computed as:

$\mathbf{( \hat P \leq 0.582) = P \Big( \dfrac{\hat p - p}{\sqrt{\dfrac{p(1-p)}{n}}} \leq \dfrac{0.582 - 0.75}{\sqrt{\dfrac{0.75(1-0.75)}{55}}} \Big )}$