What is .25 written in its simplest fraction form? A. 2/5 B. 4/1 C. 1/4 D. 100/25

2 answers:

5 0

0.25 = 25/100

to simplify 25/100, divide 25 from both the numerator and denominator.

25/25 = 1

100/25 = 4

1/4 is the simplest form

C. 1/4 is your answer

hope this helps

nasty-shy [4]2 years ago

3 0

C 1/4 just like money if you have 1 quarter it is 25 cents so you have 1/4 quarters. Can u mark me as the brainiest answer thnx

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Five students visiting the student health center for a free dental examination during National Dental Hygiene Month were asked h

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[0.9 months, 32.69 months]

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The mean is

$\bf \bar x=\frac{5+17+12+21+29}{5}=16.8$

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$\bf s=\sqrt{\frac{(5-16.8)^2+(17-16.8)^2+(12-16.8)^2+(21-16.8)^2+(29-16.8)^2}{5}}=8.1092$

Now, we have to find two values a and b such that the area under the Normal curve with mean 16.8 and standard deviation 8.1092 between a and b equals <em>95% = 0.95 </em>

Using a spreadsheet we find these values are

a = 0.906

b = 32.694

<h3>(See picture) </h3>

and our 95% confidence interval for the mean number of months elapsed since the last visit to a dentist for the population of students participating in the program rounded to two decimal places is

[0.9 months, 32.69 months]