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prisoha [69]
2 years ago
15

Plsssssssssssssssssssss help me fast

Mathematics
2 answers:
zlopas [31]2 years ago
5 0

Answer:

The answer is 95cm2

Step-by-step explanation:

A=b×h

=19×5

= 95 cm2

please mark me the brainliest

jasenka [17]2 years ago
4 0
Area of a parallelogram=base×height
Area=19×5=95cm²

Hope my answer helped u :)
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A manager of a grocery store wants to determine if consumers are spending
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Answer:

1. The error in the assumption is taking the sample mean, \bar x, as being equal to the population mean, μ

2. To correct the error, the manager will need to generate the confidence interval based on the population standard deviation on the acceptable values of the mean using the following relation;

CI=\bar{x}\pm z\frac{\sigma}{\sqrt{n}}

Step-by-step explanation:

We note that from the central limit theorem as the size of the sample, n, becomes more and more larger, the mean of the sample, \bar x, approaches that of the population mean, μ, therefore as the grocery store manager uses the sample mean as the population mean's point estimate an error will be observed based on the size of the sample compared to the population, where the difference between the two means (the population mean and the sample mean) is \left | \bar{x} - \mu \right |

1. The error in the assumption is taking the sample mean, \bar x, as being equal to the population mean, μ

2. To correct the error, the manager will need to generate the confidence interval based on the population standard deviation on the acceptable values of the mean using the following relation;

CI=\bar{x}\pm z\frac{\sigma}{\sqrt{n}}

Where:

σ = Population standard deviation = $30

z = z value at 95% confidence level = 1.96

\bar x = Sample mean $160

n = Sample size = 10

Plugging in the values, we have;

$141.4 < \bar x < $178.6

Hence the expected value of the mean should be between $141.4 and $178.6.

7 0
3 years ago
You are going to order a pizza, in how many ways can you select a pizza if you can choose from 4 crusts, 3 sauces, 9 toppings, a
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Answer:

648

Step-by-step explanation:

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3 0
3 years ago
)) Two tailors, Kristen and Layla, sit down to do some embroidery. Kristen can embroider 5
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2 hours or less depending on how skilled or how they're felling that day

Step-by-step explanation:

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The data below shows the average number of text messages sent daily by a group of people: 7, 8, 4, 7, 5, 2, 5, 4, 5, 7, 4, 8, 2,
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It all depends. You've given us an incredibly vague question.

The outlier could be a number that's low or quite high. Also, outliers
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They are called outliers because they are bizarre results or numbers
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Large outliers can inflate the value of means, medians and ranges.

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3 years ago
Read 2 more answers
12 = 6(n – 7)<br> Solve 2 -step equation
madam [21]

Answer:

9 = n

Step-by-step explanation:

12 = 6(n – 7)

Divide by 6 on both sides

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2 = n-7

Add 7 to each side

2+7 = n-7+7

9 = n

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3 years ago
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