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Kisachek [45]
3 years ago
12

How do you write 4/10 as a decimal

Mathematics
2 answers:
Vinil7 [7]3 years ago
8 0
Just take a calculator and divide 4 by 10 exactly how you see it. Or just divide it like you normally would any number on paper. 0.4 is your answer.
Andreyy893 years ago
4 0
The answer is 40% :)
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100%
mamaluj [8]

Answer:

44.4%

Step-by-step explanation:

FIND THE TOTAL NUMBER OF BALLOONS

4 red +6 blue +3 yellow +5 orange =18

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8 0
3 years ago
The distribution of the annual incomes of a group of middle management employees approximated a normal distribution with a mean
kondor19780726 [428]

Answer:

68% of the incomes lie between $36,400 and $38,000.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ =  $37,200

Standard Deviation, σ = $800

We are given that the distribution of SAT score is a bell shaped distribution that is a normal distribution.

Empirical rule:

  • Almost all the data lies within three standard deviation of mean for a normally distributed data.
  • About 68% of data lies within one standard deviation of mean.
  • About 95% of data lies within two standard deviation of mean.
  • About 99.7% of data lies within three standard deviation of mean.

Thus, 68% of data lies within one standard deviation.

\mu \pm \sigma\\=37200 \pm 800\\=(36400,38000)

Thus, 68% of the incomes lie between $36,400 and $38,000.

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Answer:

true

----------------------------------

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