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Leona [35]
3 years ago
15

PLEASE ITS REALLY IMPORTANT

Mathematics
2 answers:
blondinia [14]3 years ago
4 0

Answer:

68.8 square inches

Step-by-step explanation:

Irina18 [472]3 years ago
4 0
68.8 square unit inches
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Compute. 6 + 8 × 5 =
castortr0y [4]

using order of operations (PEMDAS) your answer should be 46

you do multiplication before addition.

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3 years ago
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Sergio039 [100]

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Step-by-step explanation:

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Insurance companies are interested in knowing the population percent of drivers who always buckle up before riding in a car. The
Tems11 [23]

Answer:

The 84% confidence interval for the population proportion that claim to always buckle up is (0.74, 0.80).

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 z-score that has a p-value of 1 - \frac{\alpha}{2}.

They randomly survey 387 drivers and find that 298 claim to always buckle up.

This means that n = 387, \pi = \frac{298}{387} = 0.77

84% confidence level

So \alpha = 0.16, z is the value of Z that has a p-value of 1 - \frac{0.16}{2} = 0.92, so Z = 1.405.

The lower limit of this interval is:

\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.77 - 1.405\sqrt{\frac{0.77*0.23}{387}} = 0.74

The upper limit of this interval is:

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.77 + 1.405\sqrt{\frac{0.77*0.23}{387}} = 0.8

The 84% confidence interval for the population proportion that claim to always buckle up is (0.74, 0.80).

6 0
3 years ago
Find the solution set of the inequality 4x -1 < 11.4x−1<11
OLEGan [10]

Answer:

x<3

Step-by-step explanation:

4x -1 < 11

Add 1 to each side

4x -1+1 < 11+1

4x<12

Divide each side by 4

4x/4 <12/4

x<3

7 0
2 years ago
_________________is a technology that combines data from one or more sources so it can be compared for making business decisions
aalyn [17]

Answer:

Data warehouse

Step-by-step explanation:

Data warehouse  is a technology that combines data from one or more sources so it can be compared for making business decisions.

Moreover, Data warehouse can be explained as  a technology that combines from one or more sources so it can be prepared for making business decisions. A data warehouse is constructed by Integrating data from multiple heterogeneous sources that support analytical reporting, and decision making.

3 0
3 years ago
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