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Kisachek [45]
3 years ago
13

13. Another name for For-profit colleges is:

SAT
1 answer:
Marina CMI [18]3 years ago
7 0

Answer:

a b c d i think i have no clue

Explanation:

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the distribution of lengths of salmon from a certain river is approximately normal with standard deviation 3.5 inches. if 10 per
juin [17]

Complete question;

<em>The distribution of lengths of salmon from a certain river is approximately normal with a standard deviation of 3.5 inches. If 10 percent of salmon are longer than 30 inches, which of the following is closest to the mean of the distribution? 26 inches A 28 inches B 30 inches C 33 inches D 34 inches</em>

Option B is correct. The value that is closest to the mean of the distribution is 30inches.

The formula for calculating the z-score is expressed as:

z=\frac{ x-\mu}{\sigma}

Given the following parameters

\sigma = 3.5\\x = 26in

If 10 percent of salmon are longer than 30 inches, then:

  • P(x>30) = 0.1

Using the z table to get the value corresponding to the mean area 0.1.

  • The required z-score will be -1.285

Substitute the resulting parameters into the formula to get the mean of the distribution.

z=\frac{x-\mu}{\sigma}\\-1.285=\frac{26-\mu}{3.5}\\-1.285 \times 3.5 = 26 - \mu\\ -4.4975 = 26 - \mu\\\mu = 26 + 4.4975\\\mu = 30.4975\\\mu \approx 30in

Hence the value that is closest to the mean of the distribution is 30inches.

Learn more here: brainly.com/question/15295437

3 0
2 years ago
Someone please help me with this!!!
Nostrana [21]

Answer:

50 and 50

Explanation:

2 halfs make a whole

7 0
4 years ago
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Consider the table below and answer the probability question. Write your answer as a percentage rounded to 1 decimal.
N76 [4]

Answer:

P(Joe) = 0.3

P(Joe\ \&\ North\ Side) = 0.2

Explanation:

Solving (a): P(Joe)

To get this probability, we simply add up the items in the column named Joe.

These items are:

Joe: 34 and 70

And the total is:

Joe = 34 + 70

Joe = 104

The overall population of the system is:

Total = 409

So:

P(Joe) = \frac{Joe}{Total}

P(Joe) = \frac{104}{409}

P(Joe) = 0.3

Solving (a): P(Joe and North Side)

To get this probability, we simply get the intersecting element of Joe column and North Side row.

From the table, the intersecting element is:

Joe and North Side: 70

The overall population of the system is:

Total = 409

P(Joe\ \&\ North\ Side) = \frac{Joe\ \&\ North\ Side}{Total}

P(Joe\ \&\ North\ Side) = \frac{70}{409}

P(Joe\ \&\ North\ Side) = 0.2

7 0
3 years ago
Stalactites and stalagmites are
Oxana [17]

Stalactites hang from the ceiling of a cave while stalagmites grow from the cave floor. Stalactites are produced by precipitation of minerals from water dripping through the cave ceiling. A Stalagmites is an upward mound of mineral deposits that have precipitated from water dripping onto the floor of a cave.

7 0
4 years ago
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How does this African instrument relate to similar instruments in the United States?
Mashcka [7]

Answer:

The banjo is a stringed instrument with a thin membrane stretched over a frame or cavity to form a resonator. ... Early forms of the instrument were fashioned by African-Americans in the United States, adapted from African instruments of similar design.

8 0
3 years ago
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