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SVETLANKA909090 [29]
2 years ago
15

Mary got a graduation gift of $2000 and will put it at a

Mathematics
1 answer:
White raven [17]2 years ago
7 0

the formula is simple interest = Price x rate x time

$2000 x 5 x 10% with is1000

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You want to obtain a sample to estimate a population proportion. at this point in time, you have no reasonable estimate for the
Elis [28]

The sample size is, 9604 if you want to obtain a sample to estimate a population proportion at this point in time, you have no reasonable estimate for the population proportion.

<h3>What is the margin of error(MOE)?</h3>

It is defined as an error that gives an idea about the percentage of errors that exist in the real statistical data.

As we know, the sample size can be evaluated using the expression:

\rm ME = Z_c\sqrt{\dfrac{pq}{n}}

or

\rm n = \dfrac{Z^2}{ME^2}(pq)

Here ME = 1% = 0.01

p = 0.5, q = 0.5

Z at α 0.05   (because 95% confident)

= 1.960  

\rm n = \dfrac{1.960^2}{0.01^2}(0.5\times0.5)

n = 9604

Thus, the sample size is, 9604 if you want to obtain a sample to estimate a population proportion at this point in time, you have no reasonable estimate for the population proportion.

Learn more about the Margin of error here:

brainly.com/question/13990500

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5 0
2 years ago
Total cost of a $56.53 meal after including a 17% tip?
monitta
<span>What you do is just multiply $56.53 by 1.17. That represents 117% (100% for the meal and 17% for the tip).
Hope that helps! You should get $66.1401, but since you cant have a hundredth of a penny, its just $66.14. :)</span>
4 0
3 years ago
Read 2 more answers
Write 1. 995x10^-22 in standard form.
densk [106]
That would be 177.5 in standard form.
5 0
3 years ago
A set of data items is normally distributed with a mean of 240 and a standard deviation of 32. Convert 272 to a? z-score
dem82 [27]

Answer:

z-score = 1

Step-by-step explanation:

Given

Mean= μ=240

SD= σ=32

In order to find the z-score of a value, the mean is subtracted from the value and then divided by standard deviation.

The formula for z-score is:

z-score=(x-μ)/σ

Here x is the value whose z-score is to be found.

In the given question, x = 272

So,

z-score=(272-240)/32

=32/32

=1

So , the z-score for 272 is 1..

7 0
3 years ago
3 in<br> 2.7in<br> 8.65 in<br> cubic inches <br> What’s the volume
jolli1 [7]

Answer:

8.56

Step-by-step explanation:

5 0
3 years ago
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