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3 years ago

Which line is parallel to to the line given below?

Mathematics

1 answer:

natita [175]3 years ago

7 0

Answer:

Step-by-step explanation:

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Suppose that distribution of the daily calcium intake of Americans is left skewed with a mean of 800 mg and a standard deviation

babymother [125]

Answer:

Explained below.

Step-by-step explanation:

According to the Central Limit Theorem if an unknown population is selected with mean μ and standard deviation σ and appropriately huge random samples (n > 30) are selected from this population with replacement, then the distribution of the sample means will be approximately normal.

Then, the mean of the sampling distribution of sample means is given by,

$\mu_{\bar x}=\mu$

And the standard deviation of the sampling distribution of sample means is given by,

$\sigma_{\bar x}=\frac{\sigma}{\sqrt{n}}$

So, if the sample of daily calcium intake of Americans collected is more than 30, then the sampling distribution of $\bar X$ will be approximately normal.

6 0

3 years ago

What is the value of the radical expression shown below?

avanturin [10]

Answer:

5/7

Step-by-step explanation:

Simplify the radical by breaking the radical up into a product of known factors.

7 0

3 years ago

Read 2 more answers

Mary had $25,000 to invest. She invested part of that amount at 3% annual interest and part at 5% annual interest for one year.

emmasim [6.3K]

(25000-f)(.03)+.05f=1100

750-.03f+.05f=1100

750+.02f=1100

.02f=350

f=$17500

So Mary invested $17500 @ 5% and 7500 at 3% to earn $1100 in interest.

3 0

3 years ago

If two siblings are boys, what is likelihood that the third sibling will also be a boy

melamori03 [73]

The is a 50% chance of being a boy or a girl.....previous siblings do not matter. Every child is an independent event. So even if u had 2 siblings that were boys, the result of the next one being a boy is still gonna be 50%...just as the odds of it being a girl, is 50% as well.

6 0

3 years ago

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Which of the following statements is true for 6.? Question 16 options: A) It's rational because 6. = 68∕33. B) It's irrational b

Gelneren [198K]

Answer:

rational. I can't read the answer choices well.

7 0

3 years ago

Read 2 more answers