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3 years ago

Janet walked 3.75 miles yesterday what is the word form of 3.75

Mathematics

2 answers:

Xelga [282]3 years ago

4 0

Answer:

Three and seventy-five hundredths.

Step-by-step explanation:

We have been given that Janet walked 3.75 miles yesterday. We are asked to write 3.75 in the word form.

Upon looking at our given number, we can see that it has 3 ones, 7 tenths and 5 hundredths or we can say that our given number has 75 hundredths.

Therefore, 3.75 in word form would be three and seventy-five hundredths.

Naily [24]3 years ago

3 0

The answer is...
three and seventy five hundredths

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Express the confidence interval 0.555 less than 0.777 in the form Modifying above p with caret plus or minus Upper E.

Elina [12.6K]

Complete Question

Express the confidence interval 0.555 less than p less than 0.777 in the form Modifying above p with caret plus or minus Upper E.

Answer:

The modified representation is $\r p \pm E = 0.666 \pm 0.111$

Step-by-step explanation:

From the question we are told that

The confidence interval interval is $0.555 < p < 0.777$

Now looking at the values that make up the up confidence interval we see that this is a symmetric confidence interval(This because the interval covers 95% of the area under the normal curve which mean that the probability of a value falling outside the interval is 0.05 which is divided into two , the first half on the left -tail and the second half on the right tail as shown on the figure in the first uploaded image(reference - Yale University ) ) which means

Now since the confidence interval is symmetric , we can obtain the sample proportion as follows

$\r p = \frac{0.555 + 0.777}{2}$

$\r p =0.666$

Generally the margin of error is mathematically represented as

$E = \frac{1}{2} * K$

Where K is the length of the confidence interval which iis mathematically represented as

$K = 0.777 -0.555$

$K = 0.222$

Hence

$ME = \frac{1}{2} * 0.222$

$ME = 0.111$

So the confidence interval can now be represented as

$\r p \pm E = 0.666 \pm 0.111$

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Please select the best answer thanks

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3 years ago

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pshichka [43]

Answer:

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