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Svetlanka [38]
2 years ago
11

1/2 divided by 2 1/2

Mathematics
2 answers:
nirvana33 [79]2 years ago
3 0

Answer:

1/5

Step-by-step explanation:

slava [35]2 years ago
3 0

Answer:

The answer is 0.2

Hope this helps!

Brainliest??

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alukav5142 [94]

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The scores of high school seniors on the act college entrance examination in a recent year had mean μ = 20.8 and standard devia
natka813 [3]

To solve this problem, we make use of the z statistic. The formula for z score is:

z = (x – μ) / s

where,

x = is the sample score = 21 or higher

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Solving for the z score:

z = (21 – 20.8) / 4.8

z = 0.0417

 

Next step to do is to find for the p value using the standard distribution tables at z = 0.04. Since we are looking for the probability of getting 21 or higher, therefore this is a right tailed test, hence

p = 0.516

<span>So there is about 51.6% that a student will get a score of 21 or greater.</span>

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2 years ago
A florist uses 10 red roses for every 4 white roses in her bouquets. What is the ratio of red roses to the total number of flowe
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10:14 or 10 to 14

The total number of roses is 14 and there are 10 red roses. For every 14 roses there are 10 red roses.
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What is the answer to this question?
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Answer:

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6 0
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The number of girls (G) taking French at Mesa High School is 3 more than twice the number of boys (B). A total of 141 students a
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