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jarptica [38.1K]
3 years ago
12

Plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz help

Mathematics
2 answers:
Tema [17]3 years ago
7 0

Answer:

6

Give me Brainiest answer to say thanks! :D

NARA [144]3 years ago
6 0

Answer:

6

Step-by-step explanation

he used 6 apples because 8 times 3/4 is 24/4 and simplify you will get 6

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A manager of a grocery store wants to determine if consumers are spending
ololo11 [35]

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
Miss Trejo ran 120 yard. What are equivalent distance to how far she ran?
erastova [34]

Answer: 360 feet, or 3/44 of a mile

Step-by-step explanation: One yard is 3 feet, and 1760 yards are in a mile

7 0
2 years ago
Find the equation of the straight line which passes through (3,5) and makes y-inte<br>r-intercept.​
elixir [45]

Answer:

Please restate your question.

It needs the y-intercept to be decipherable.

Step-by-step explanation:

6 0
2 years ago
Use linear approximation to estimate 1/4.002
Nady [450]
The approximation to estimate will be 0.2498
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2 years ago
How to solve 832 divide 32 multiply by 5 =
mixas84 [53]
The answer is 130 ...
4 0
3 years ago
Read 2 more answers
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