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3 years ago

The length of the diameter of a sphere is 8 inches. The volume of the sphere is

Mathematics

1 answer:

Nataly_w [17]3 years ago

6 0

I’m pretty sure the answer is A - equal to

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Which of the following statements is true? A. The Ratio Test says that the series converges absolutely. B. The Ratio Test says t

Assoli18 [71]

Answer:

Step-by-step explanation:

A. The Ratio Test says that the series converges absolutely

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4 years ago

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Find the unknown size please I really need answers

katen-ka-za [31]

Answer:

z=80°(corresponding angles)

 $x+z=180°(linear \: pair \: ) \\ 80° + x = 180° \\ x= 100°$ 

y=100 ° (alternate angles)

<h2>Hope it helps you<3</h2>

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2 years ago

Find the z score that has 70.54% of the distribution area to its right

Alik [6]

The z score that has 70.54% of the distribution area is 9.92

<h3>What is a z-score?</h3>

The z-score is a numerical measurement used in statistics to refer to how much a given value differs from the standard deviation.

For the random variable x, the z-score is;

z = (x - 11)/2

therefore, 70.54% of the area under the curve lies to the right of x,

then the area to the left of x is;

100 - 70.54 = 29.46%

From the standard table, a z-score of -0.54 will yield an area of 29.46% to the left of x.

Therefore, we get;

(x - 11)/2 = -0.54

x - 11 = -0.54(2)

x = 9.92

The z score is 9.92

Learn more about z score here;

brainly.com/question/4167122

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1 year ago

How do you mark people as brainliest

ValentinkaMS [17]

It should give you the option to do so.

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3 years ago

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Assuming a normal distribution, families spends an average of $500 on their monthly cell phone bills with a standard deviation o

lara [203]

The probability is 0.69.

We find the z-scores that correspond with each end of the range we're looking for. To find a z-score, we use the formula:
$z=\frac{X-\mu}{\sigma}
\\
\\=\frac{350-500}{75}=\frac{-150}{75}=-2$

$z=\frac{400-500}{75}=\frac{-100}{75}=-1.33$

Using a z-table (http://www.z-table.com) we see that the area under the curve left of the score 350 would be 0.228. The area under the curve left of the score 400 would be 0.918. To find just the range between 350 and 400, we subtract the area left of 350 from the area left of 400; this will give us just from 350 to 400:

0.918-0.228 = 0.69.

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3 years ago