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2 years ago

Walking logs can help you see where you have been and where you are going. A. True B. False

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1 answer:

andreyandreev [35.5K]2 years ago

7 0

True, walking logs can help you see where you have been, and where you are going.

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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

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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

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1 year ago

Which option is the best example of literary nonfiction.

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Explanation:

A letter that describes a civil rights leader’s experience in prison

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2 years ago

Last year, nine employees of an electronics company retired. Their ages at retirement are listed below. 51 61 62 57 50 67 68 58

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What type of analysis are you looking to do on this data set? give this question brainliest, I’ll keep responding

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2 years ago

sweater originally priced at $65 is on sale for 15% off.You also have a coupon that takes another $10 off.What percent of the or

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Ok, so first you have to count le 15% off. It means you pay 85% of the price

0,85•65= 55,25$

Second, you take the 10$ off

55,25-10=45,25$

Third, you have know what percentage of the original price you paid

45,25 divided by 65 =0,6962

So you actually paid 69,62% of the original price

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2 years ago

In a recent poll of 1000 adults, 55% of the respondents said that the use of marijuana should not be made legal. In the same pol

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Answer: no answer

Explanation: I dont know what exactly the question regarding the problem is.

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2 years ago