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OLga [1]
2 years ago
7

The distribution of the number of words in text messages between employees at a large company is skewed right

Mathematics
1 answer:
kaheart [24]2 years ago
8 0

The probability the sample mean is more than 10 words for a random sample of 39 messages is 2.12%

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more numbers and variables.

The z score is given by:

z = (raw score - mean) / (standard deviation / √sample size)

Given mean of 8.6 words and a standard deviation of 4.3 words. If a random sample of 39 messages, hence, for x > 10:

z = (10 - 8.6) / (4.3 / √39) = 2.03

P(x > 10) = P(z > 2.03) = 1 - P(z < 2.03) = 1 - 0.9788 = 0.0212

The probability the sample mean is more than 10 words for a random sample of 39 messages is 2.12%

Find out more on equation at: brainly.com/question/2972832

#SPJ1

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this year Benny is 12 years old and his mom is 48 years old what percent of his mom's age is Benny's age ​
Lady bird [3.3K]

Answer:

25%

Step-by-step explanation:

Let's set up a percent proportion:

12/x = 48/100

To solve for x, we would do:

x = (12*100)/48 = 1200/48 = 25

x = 25%

In my opinion, the easiest way to do this would be to look at this and notice that 12 * 4 =48 so that means 12 is 1/4 of 48 and 1/4 = 25%.

Let me know if you have any questions.

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What is the Inverse function of f(x)= x^2 - 49
tatyana61 [14]

Answer:

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Step-by-step explanation:

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geniusboy [140]

Answer: -4 (m + 6) = -8

We can use the distributive property for the first half of the equation.

-4 × m = -4m    

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Now we add 24 on bothe side sof the equation to get -4m by itself.

-4m - 24 + 24 = -8 + 24

Now we get -4m = 16

Divide -4 on both sides to get m by itself

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Simplify and we get m = -4

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Fundamental Trigonometric Identities are listed below:

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<h3>Meaning of Fundamental Trigonometric Identities</h3>

Fundamental Trigonometric Identities can be defined as the basic identities or variables that can be used to proffer solutions to any problem relating to angles and trigonometry.

In conclusion, A few Fundamental Trigonometric Identities are listed above.

Learn more about Fundamental Trigonometric Identities: brainly.com/question/7331447

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2 years ago
What is 9 1/10 as a improper fraction?
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