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3 years ago

13

5000 ones = how many hundreds?

1 answer:

kenny6666 [7]3 years ago

5 0

<span>Five Thousand ones equals Fifty hundred ones; this can be understood by moving the numerical comma on place 5,000 becomes 50,00; to change the notation you can also divide 5,000 by 100 which equals 50. Therefore it equals 50 hundred ones. By simple division you can arrive at the answer for this.</span>

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3 years ago

Read 2 more answers

The following random sample was selected from a normal distribution: 4.5, 6.4, 2.3, 1.8, 5.3, then the 95% confidence interval t

kap26 [50]

Answer:

the 95% confidence interval to estimate the population mean is between 1.62 and 6.50

Step-by-step explanation:

given data

distribution = 4.5, 6.4, 2.3, 1.8, 5.3

so n = 5

confidence interval = 95%

to find out

the population mean is between

solution

first we calculate the mean i.e.

mean = $\frac{1}{n}\sum_{i=1}^{n}x(i)$

mean = 4.5+ 6.4+ 2.3+ 1.8+ 5.3 / 5

mean = 4.06

now we calculate the standard deviation i.e.

standard deviation = $\sqrt{\frac{1}{n-1}\sum (x(i)-mean)^2}$

standard deviation = $\sqrt{\frac{1}{5-1}\sum (x(i)-mean)^2}$

standard deviation = $\sqrt{\frac{1}{5-1} (4.5-5)^2+(6.4-5)^2 +(2.3-5)^2+(1.8-5)^2+(5.3-5)^2}$

standard deviation = $\sqrt{\frac{1}{4} (4.5-5)^2+(6.4-5)^2 +(2.3-5)^2+(1.8-5)^2+(5.3-5)^2}$

standard deviation = 2.226544

so 95 % confidence interval is i.e. mean +/- t(5) * standard deviation/ $\sqrt{n}$

here t(5) will be 2.45

so

95 % confidence interval= 4.06 +/- 2.45 * 2.226 / $\sqrt{5}$

95 % confidence interval= 1.62 and 6.50

4 0

3 years ago

Are the graphs of the lines in the pair parallel? Explain.<br><br> y = 4x – 4<br> 24x – 4y = 96

Radda [10]

Answer:

They are not parallel.

Put the equation in y=mx=b format to compare. The first equation (y=4x-4) is already in the right format.

If m (slope) is the same, then the lines are parallel.

-4y=96-24x

/-4 all sides

y= - 24+ 6x

y=6x-24

y=4x-4

6 is not equal to 4, slopes are not the same. Not parallel.

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4 years ago

Matt and Mandy are partners in a taco truck. The partnership is in the ratio of 2:4

julia-pushkina [17]

Answer:

$37,600

Step-by-step explanation:

2:4 ratio which means there is 6 parts

56,400/6 = 9,400

Mandy is the 4 as she came second in the question which said respectfully(in that order)

9,400 x 4 = $37,600

Though in all honesty I may be wrong, I haven't worked on any ratios in a longggg time

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3 years ago

Please help me with this urgent

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