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Mashutka [201]
3 years ago
7

Someone help me with this

Mathematics
2 answers:
muminat3 years ago
4 0
Shaded as a fraction:40/100

Decimal form:0.4

Percentage:40%
I hope this was correct and hope it helps:)
krok68 [10]3 years ago
3 0

Answer:

40/60

Step-by-step explanation:

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If you are an expert in your field, the purpose of your presentation will remain the same for all types of presentations.
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Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
A researcher believes that 12% of a simple random sample of adults will be able to identify a Toyota Scion by brand and model na
DochEvi [55]

Answer: 650

Step-by-step explanation:

When prior estimate of population proportion is known , then the formula to find the required sample size is given by :-

n=p(1-p)(\dfrac{z^*}{E})^2

, where p= population proportion

E= margin of error

z* = Critical value.

Let p be the proportion of adults able to identify a Toyota Scion by brand and model name.

As per given , we have

p = 12%= 0.12

E= 2.5%=0.025

Critical value for 95% confidence interval : z* = 1.960  [By z-table ]

Then, the required sample size = n=(0.12)(1-(0.12))(\dfrac{1.96}{0.025})^2

n=(0.1056)(78.4)^2

n=(0.1056)(6146.56)

n=649.076736\approx650

Thus , the required sample size = 650

6 0
3 years ago
Please hurry I will give brainless answer if correct
Natali [406]

Answer:

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7 0
2 years ago
Which of the following statements is correct?
Montano1993 [528]

Answer:

Systems of Equations often have infinite solutions.

Step-by-step explanation:

I don't know if there are 7 answers or what

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The display on a calculator screen is shown below.
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You formatted the equation wrong for the setting your calculus on i would recommend using a Ti-34
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