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grandymaker [24]
2 years ago
8

I dont know this one too??

Mathematics
1 answer:
Maslowich2 years ago
4 0

Answer:

bottom left

Step-by-step explanation:

line of symmetry means that both sides will look the same if a line is drawn thru

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Divide 3,000 yards by 1,760
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Convert a speed of 651 mi/hr to units of feet per minute. also show the unit analysis by dragging components into the unit-facto
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3 years ago
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Suppose that in a random sample of 300 employed Americans, there are 57 individuals who say that they would fire their boss if t
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Answer:

The 95% confidence interval for the population proportion is (0.1456, 0.2344). This means that we are 95% sure that the true proportion of employed American who say that they would fire their boss if they could is between 0.1456 and 0.2344.

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

z is the zscore that has a pvalue of 1 - \frac{\alpha}{2}.

For this problem, we have that:

n = 300, \pi = \frac{57}{300} = 0.19

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:

\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.19 - 1.96\sqrt{\frac{0.19*0.81}{300}} = 0.1456

The upper limit of this interval is:

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.19 + 1.96\sqrt{\frac{0.19*0.81}{300}} = 0.2344

The 95% confidence interval for the population proportion is (0.1456, 0.2344). This means that we are 95% sure that the true proportion of employed American who say that they would fire their boss if they could is between 0.1456 and 0.2344.

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3 years ago
What is 0.32 written as a decimal
vredina [299]
Decimal: .32
fraction: 32/100 which, when reduced, is 8/25 
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3 years ago
Read 2 more answers
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