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Kamila [148]
3 years ago
5

14/28 as a ratio a decimal and a percent

Mathematics
2 answers:
Lena [83]3 years ago
7 0

14/28

Ratio: 1:2

Decimal: 0.5

Percent: 50%

Sergeeva-Olga [200]3 years ago
5 0
\frac{14}{28} is our fraction, which is not in lowest form, and therefore can be reduced. We can divide both numerator and denominator by 2, and we end up with 

\frac{7}{14}

7 goes into 14 twice, so we can reduce it further to become

\frac{1}{2}

To convert a fraction to a ratio, you just need to turn it on its side and make the | into a : So it would look like this:

1:2

1 / 2 = 0.5

<span>0.5 is the fraction in decimal form

To find a percentage, you just need to multiply the decimal by 100.

0.5 in percentage form would be 50%

Hope that helped =)
</span>
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jenyasd209 [6]

Answer:

(a) 50%

(b) 47.5%

(c) 2.5%

Step-by-step explanation:

According to the honest coin principle, if the random variable <em>X</em> denotes the number of heads in <em>n</em> tosses of an honest coin (<em>n</em> ≥ 30), then <em>X</em> has an approximately normal distribution with mean, \mu=\frac{n}{2} and standard deviation, \sigma=\frac{\sqrt{n}}{2}.

Here the number of tosses is, <em>n</em> = 2500.

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(a)

To not lose any money the even rolls has to be 1250 or more.

Since, <em>μ</em> = 1250 it implies that the 50th percentile is also 1250.

Thus, the probability that by the end of the evening you will not have lost any money is 50%.

(b)

If the number of "even rolls" is 1250, it implies that the percentile of 1250 is 50th.

Then for number of "even rolls" as 1300,

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⇒ 1300 is at the 97.5th percentile.

Then the area between 1250 and 1300 is:

Area = 97.5% - 50%

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Thus, the probability that the number of "even rolls" will fall between 1250 and 1300 is 47.5%.

(c)

To win $100 or more the number of even rolls has to at least 1300.

From part (b) we now 1300 is the 97.5th percentile.

Then the probability that you will win $100 or more is:

P (Win $100 or more) = 100% - 97.5%

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Thus, the probability that you will win $100 or more is 2.5%.

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3 years ago
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Answer:

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4 years ago
Order these fractions from least to greatest 3/8, 2/3, 4/5
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