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nataly862011 [7]
4 years ago
12

Show how you solved this by each step.

Mathematics
1 answer:
brilliants [131]4 years ago
6 0

Football is green, so 42% of the people like football.

210 people like football.

To find the total number of people surveyed, divide 210 by 42%:


210 / 0.42 = 500


500 people were surveyed.

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What is equivalent to 1/40
Nimfa-mama [501]
2/80 is equivalent 
you can also just multiply the numerator and denominator to find out what else is equivalent.
5 0
3 years ago
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To the nearest 0.01 degree, what angle of descent (angle of depression) must a plane 50 horizontal miles from the airport and at
HACTEHA [7]
20,000÷50=
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At 40 degrees?
4 0
3 years ago
Which of the following is NOT true for a hypothesis test for​ correlation? Choose the correct answer below. A. If ​|r|less than
pantera1 [17]

Answer:

Answer explained

Step-by-step explanation:

From the information, the true statements for a hypothesis test for correlation is,

If the​ P-value is less than or equal to the significance​ level, we should reject the null hypothesis and conclude that there is sufficient evidence to support the claim of a linear correlation.

If |r| less than or equals critical value, we should fail to reject the null hypothesis and conclude that there is not sufficient evidence to support the claim of a linear correlation.

If the​ P-value is greater than the significance​ level, we should fail to reject the null hypothesis and conclude that there is not sufficient evidence to support the claim of a linear correlation.

<u>Explanation</u>

According to the decision rule of P-value approach, observe that if the​ P-value is less than or equal to the significance​ level, then there is evidence to reject the null hypothesis and conclude that there is sufficient evidence to support the claim of a linear correlation.

Similarly, if the​ P-value is greater than the significance​ level, we should fail to reject the null hypothesis and conclude that there is not sufficient evidence to support the claim of a linear correlation.

According to the critical value approach, observe that if the test statistic value is greater than the critical value, then there is evidence to reject the null hypothesis and conclude that there is sufficient evidence to support the claim of a linear correlation.

- If |r| greater than critical value, we should fail to reject the null hypothesis and conclude that there is not sufficient evidence to support the claim of a linear correlation.  

<u>Explanation </u>

Based on the decision rules of the hypothesis test, the false statement about the test for a correlation is, if |r| less than or equals critical value, we should fail to reject the null hypothesis and conclude that there is not sufficient evidence to support the claim of a linear correlation.

3 0
3 years ago
What are the comon factors of 70&amp;20??
Musya8 [376]
70: 1,2,5,7,10,14,35,<span>70
20: 1,2,4,5,10,20</span>
3 0
4 years ago
Is the answer a, b, c, or d
Sveta_85 [38]

Answer: 30

Step-by-step explanation:

3 0
3 years ago
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