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Ipatiy [6.2K]
3 years ago
13

10 times as many as 2 hundred is 20 hundreds or 2 thousand

Mathematics
1 answer:
emmasim [6.3K]3 years ago
5 0

Answer:

2 thousand 10s

Step-by-step explanation:

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A college conducts a common test for all the students. For the Mathematics portion of this test, the scores are normally distrib
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Using the normal distribution, it is found that 58.97% of students would be expected to score between 400 and 590.

<h3>Normal Probability Distribution</h3>

The z-score of a measure X of a normally distributed variable with mean \mu and standard deviation \sigma is given by:

Z = \frac{X - \mu}{\sigma}

  • The z-score measures how many standard deviations the measure is above or below the mean.
  • Looking at the z-score table, the p-value associated with this z-score is found, which is the percentile of X.

The mean and the standard deviation are given, respectively, by:

\mu = 502, \sigma = 115

The proportion of students between 400 and 590 is the <u>p-value of Z when X = 590 subtracted by the p-value of Z when X = 400</u>, hence:

X = 590:

Z = \frac{X - \mu}{\sigma}

Z = \frac{590 - 502}{115}

Z = 0.76

Z = 0.76 has a p-value of 0.7764.

X = 400:

Z = \frac{X - \mu}{\sigma}

Z = \frac{400 - 502}{115}

Z = -0.89

Z = -0.89 has a p-value of 0.1867.

0.7764 - 0.1867 = 0.5897 = 58.97%.

58.97% of students would be expected to score between 400 and 590.

More can be learned about the normal distribution at brainly.com/question/27643290

#SPJ1

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Find the surface area of a rectangular prism with length 18 inches, width 6 inches, and height 4 inches.
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If its volume (Not so sure about surface area?) than its 432 inches^3
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A pack of 5 book costs $18.75. A pack of 3 books $12.75. Which pack has the the lowest cost per books (hint - find the unit rate
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18.75÷5=3.75
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The pack of 5 books has the lower cost per book
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What common base can be used to rewrite each side of the resulting equation? 2 4 16 32
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Answer:2

Step-by-step explanation:

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3 years ago
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What is a denominator and numerator
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The numerator is the top number of a fraction and the denominator is the bottom number of a fraction
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