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Svetllana [295]
3 years ago
12

sam answered 90 % of the questions on a math test correctly. how many did he get correct if there are 40 questions?​

Mathematics
1 answer:
Harman [31]3 years ago
4 0

Answer:

36

Step-by-step explanation:

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The table represents the metric volume measure of a liter. Each amount is represented by its power of 10.
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The megaliter is 10,000 times larger than a hectoliter

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more numbers and variables.

1 mega liter = 10⁶ Liter

1 hectoliter = 10² Liter.

Hence, a megaliter is 10,000 (10⁶/10²) times larger than a hectoliter

Find out more on equation at: brainly.com/question/2972832

Step-by-step explanation:

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A shipments of 8 boxes was delivered to mason bookstore each box holds the same number of book if there are 744 books in the shi
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6 0
4 years ago
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For bone density scores that are normally distributed with a mean of 0 and a standard deviation of​ 1, find the percentage of sc
mr Goodwill [35]
<span>In a normal distribution 68.27% of the values are within one standard deviation from the mean, 95.5% of the values are within two standard deviations from the mean, and 99.7 % of the values are within three standard deviations of the mean

With that you have the answer to the three questions:

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<span>a. significantly high​ (or at least 2 standard deviations above the​ mean).

99.5% of the values are within 2 standard deviations from the mean, half of 100% - 95.5% = 4.5% / 2 = 2.25% are above the mean, so the answer is 2.25%

b. significantly low​ (or at least 2 standard deviations below the​ mean).

The other half are below 2 standard deviations, so the answer is 2.25%

c. not significant​ (or less than 2 standard deviations away from the​ mean).

As said, 95.5% are within the band of two standard deviations from the mean, so the answer is 95.5%.
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7 0
3 years ago
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