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belka [17]
2 years ago
6

The dot plots below show rainfall totals in the Highlands and Lowlands areas of a certain region. 2 dot plots with number lines

going from 2 to 32 in increments of 2. A dot plot titled Highlands. There are 2 dots above 2, 3 above 4, 2 above 6, 3 above 8, 4 above 10, 3 above 12, 4 above 14, 5 above 16, 5 above 18, 4 above 20, 2 above 22, 1 above 24, 2 above 26, 2 above 28, 1 above 30 and 1 above 32. A dot plot titled Lowlands. There are 3 dots above 2, 5 above 4, 3 above 6, 3 above 8, 5 above 10, 7 above 12, 6 above 14, 4 above 16, 2 above 18, 1 above 20, 2 above 22, 1 above 24, 0 above 26, 2 above 28, and 0 above 30 and 32. Which statement comparing the shapes of the dot plots is true? Both the Highlands and the Lowlands data points are evenly distributed around the center. Both the Highlands and the Lowlands data points are clustered toward the left of the plot. The Highlands data points are evenly distributed around the center, while the Lowlands data points are clustered toward the left of the plot. The Highlands data points are clustered toward the left of the plot, while the Lowlands data points are evenly distributed.
Mathematics
1 answer:
JulsSmile [24]2 years ago
7 0

Answer: b

Step-by-step explanation: cause I know the answer/ i did the quiz

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AlekseyPX

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His 95% confidence interval is (0.065, 0.155).

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

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For this problem, we have that:

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95% confidence level

So \alpha = 0.05, z is the value of Z that has a pvalue of 1 - \frac{0.05}{2} = 0.975, so Z = 1.96.

The lower limit of this interval is:

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The upper limit of this interval is:

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4 0
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Simplify: StartRoot 64 r Superscript 8 Baseline EndRoot
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Answer:

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In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

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