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Paha777 [63]
3 years ago
8

What is the mean of this set: (2,6, 7, 9, 9, 9)?

SAT
2 answers:
shepuryov [24]3 years ago
6 0
The mean of this set is 7
Oksi-84 [34.3K]3 years ago
4 0
The mean is 7 for this set
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A recent survey by the American Accounting Association revealed 52% of accountants have the Certified Public Accounting (CPA) ce
UkoKoshka [18]

The random variable is given as the number of accountants that posses the CPA certificate. This is based on the fact that N= 15 and P = 0.52.

<h3>What is a random variable?</h3>

A random variable is a variable with an unknown value or a function that gives values to each of the results of an experiment.

<h3>How is the random variable distributed?</h3>

The random variable are distributed binomially.

<h3>What is the probability five of the 15 accountants are CPAs? </h3>

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This is derived as follows:

P (x =5) = C^{15} _{5}

= 0.52^{5}

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<h3>What is the probability seven or eight of the 15 accountants are CPAs? </h3>

P (x = 7 or x = 8) =

P (x = 7) + P (x = 8)

= C^{15} _{7} (0.52)⁷ (o.48)⁸ + C^{15} _{8} (0.52)⁸ (0.48)⁷

= 0.18642 +  0.20196

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learn more about random variable:
brainly.com/question/14356285
#SPJ1

Full Question:

A recent survey by the American Accounting Association revealed 52% of accountants have the Certified Public Accounting (CPA) certificate. Suppose we select a sample of 15 accountants.

a-1. What is the random variable?

a-2. How is the random variable distributed?

b. What is the probability five of the 15 accountants are CPAs? (Round your answer to 4 decimal places.)

c. What is the probability seven or eight of the 15 accountants are CPAs? (Round your answer to 4 decimal places.)

d. What is the mean of the distribution of “number of CPA’s among 15 accountants”? (Round your answer to 1 decimal place.)

e. What is the variance of the distribution of “number of CPA’s among 15 accountants”? (Round your answer to 3 decimal places.)

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you didn't add the statements

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The diameter of a small pizza is approximately 15 centimeters. What is the diameter in inches? 1 inch = 2.54 cm.
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"Like", "Um", and "You know" are all examples of _____. a. standard English b. slang and filler words c. effective communication
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Answer:

Hello, There!

<h2>Your Question↓</h2>

"Like", "Um", and "You know" are all examples of .....

<h2>Answer↓</h2><h3>B. slang and filler words</h3>

Explanation:

<h2>meaning of filler and examples</h2>
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<h2>Now We have to figure Out what is Slang...</h2>
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<h3>We usually use slang in speaking rather than writing.</h3><h3 />

Note: remember You are loved And you are a Blessing! ^^ <3

I hope this helps!

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