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Aleks04 [339]
3 years ago
11

A rectangular flower garden is 4.25 feet wide and 8.6 feet long what is the area of the garden in square feet

Mathematics
1 answer:
Len [333]3 years ago
3 0

Answer:

36.55

Step-by-step explanation:

8.6×4.25=36.55

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A laundry mat can clean five shirts in 20 minutes. What is the rate of shirts per hour?
Anna11 [10]

Answer:

15 shirts in one hour

Step-by-step explanation:

there are 60 minutes in an hour, 20 times 3 is 60, 5 times 3 is 15

5 0
3 years ago
Suppose a marketing company wants to determine the current proportion of customers who click on ads on their smartphones. It was
andrezito [222]

Answer:

The 92% confidence interval for the true proportion of customers who click on ads on their smartphones is (0.3336, 0.5064).

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 = 100, p = 0.42

92% confidence level

So \alpha = 0.08, z is the value of Z that has a pvalue of 1 - \frac{0.08}{2} = 0.96, so Z = 1.75.

The lower limit of this interval is:

\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.42 - 1.75\sqrt{\frac{0.42*0.58}{100}} = 0.3336

The upper limit of this interval is:

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.42 - 1.75\sqrt{\frac{0.42*0.58}{100}} = 0.5064

The 92% confidence interval for the true proportion of customers who click on ads on their smartphones is (0.3336, 0.5064).

4 0
3 years ago
Help (10 points ) ;)
joja [24]

Answer:

c

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
katie is baking cookies. the recipe calls for 3 eggs for every 2 cups of sugar. She will need 12 eggs.
asambeis [7]
She will need 8 cups because if u multiply 3 x 4 = 12 and multiply 2x 4 and that gives you 8
7 0
2 years ago
The graph shows the relationship between the number of hours that Mitchelle has been driving to get to her destination.
Elden [556K]
What is the question?
5 0
2 years ago
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