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tankabanditka [31]
3 years ago
10

your kitchen is in your house is being remolded. it takes 2 workers , 12 days to finish the job. Each worker works 7 hours a day

at $25.50 per hour. How much will it cost to hire the workers ?
Mathematics
1 answer:
uranmaximum [27]3 years ago
3 0
I think it is $4284 b/c you  would do $25.5*7 hours*12 days*2 workers=$4284 total
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2/18 +15/18 =17/18?
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Answer:

17/18

Step-by-step explanation:

2 /18  +  15 /18

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=  2+15 /18

=  17 /18

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77.5%

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Which of the following expressions is equal to P/17
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You recently sent out a survey to determine if the percentage of adults who use social media has changed from 66%, which was the
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Answer:

The 98% confidence interval estimate of the proportion of adults who use social media is (0.56, 0.6034).

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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Of the 2809 people who responded to survey, 1634 stated that they currently use social media.

This means that n = 2809, \pi = \frac{1634}{2809} = 0.5817

98% confidence level

So \alpha = 0.02, z is the value of Z that has a pvalue of 1 - \frac{0.02}{2} = 0.99, so Z = 2.327.

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The upper limit of this interval is:

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2 years ago
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