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Svet_ta [14]
3 years ago
14

HELP FAST! <3 10 points!

Mathematics
2 answers:
kogti [31]3 years ago
4 0

Answer:

The OTHER ANSWER IS WRONG!!!!! THE ANSWER IS 4/7 4/9

Step-by-step explanation: This is a repeating decimal because the denominator are not factors of 10 100 or 1000

kondaur [170]3 years ago
3 0
ABug,

Something that you'll want to add to your long term memory is how to make fractions into decimals. Luckily, it's easy...just divide!

4/7 = 0.5714285714285714...repeating...
2/5 = 0.4
7/8=0.875
4/9 = .444444...repeating..
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Ava read an article claiming that 10% of people in her county were senior citizens, and she wondered if this held true for resid
IceJOKER [234]

Complete Question

Ava read an article claiming that 10% of people in her county were senior citizens, and she wondered if this held true for residents in her city. She took a random sample of 225 people from her city to test H0 : p = 0.10, where p is the proportion of people in her city that are senior citizens. Ava found that approximately 14% of those sampled were senior citizens. She conducted an appropriate significance test, and the resulting test statistic was z ≈ 1.89 z. Assume that the conditions for inference were met.calculate the p-value for Ellie's significance test

Answer:

The p-value is  p-value  = 0.0588

Step-by-step explanation:

From the question we are told that

   The percentage of senior citizens is  p =  0.10  

   The sample size is  n  =  225

   The  sample proportion is  \^{p} =  0.14

   The test statistics is  z \approx =   1.89

The null hypothesis  is  H_o  :  p = 0.10

The alternative hypothesis is   H_a  :  p \ne 0.10

   Generally the p-value is mathematically represented as

       p-value  =  2 *  P(Z > 1.89 )

From the z-table  

       P(Z > 1.89 )  =   0.029379

=>     p-value  =  2 *   0.029379

=>     p-value  = 0.0588

5 0
3 years ago
Circle the GCF of 28x3 and<br> 16x2y2<br> 28x3: 2.2.7.*•*•*<br> 16x2y2:2.2.2.2.x.x.y.y
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Answer:

Step-by-step explanation:

28x^3 = 2 * 2 * 7 * x * x * x

16x^2Y^2 = 2 * 2 * 2 * 2 * x * x * y *y

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