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muminat
3 years ago
7

The heat of fusion of a substance is the energy measured during a.

SAT
1 answer:
Karo-lina-s [1.5K]3 years ago
8 0

Answer:

the answer is phase change

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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>

The probability that  five of the 15 accountants are CPAs is 0.0741.

This is derived as follows:

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

= 0.52^{5}

= (1- 0.52)^{15-5}

= 0.07412836549

P(x=5) ≈ 0.0741

<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

= 0.388

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.)

7 0
1 year ago
There are 28 seats in the front row of a theater each successive row contains two more seats than th
Vinvika [58]

Answer:

74

Explanation:

28+2*(24-1)= 74

Given:- There are 28 seats in the front row of theater

Number of rows=24

To find:- The number of seats in the last row.

Use the formula to find the 24th term of this sequence.

Also each successive row has two more seats. This difference is same for the whole theater.

So, this forms an arithmetic sequence.

a1=21

D=2

We need to find number of seats in 24th row; which is given by a24



We use the formula for it

8 0
2 years ago
Remixes &amp; Mashups
devlian [24]

Answer:

How Remixes Hijack Your Brain

For this lab, watch the video “How Remixes Hijack Your Brain” to further dive into the world of remixing and mashups as we read about in the unit. After watching the video, answer the questions below.

Do you think the remixes and mashups that are shown throughout the video are breaking copyright laws? Why or why not?

No, not really because she downloads the videos and puts them in one collaboration to show the differences between different things and facts

The video shows examples of remixes and mashups that include political candidates. Do you think that these remixes and mashups might change people’s opinions about the candidates they feature? Why or why not?

Yes and No. Yes, because sometimes people can change their opinion about someone they didn’t like before. No, because people will still keep their opinions about which candidate you want or would like to be president or Vice President school wise anyway.

The video gives us several examples of how remixing hijacks our brain. From the examples given, which do you think is the most powerful reason as to why these remixes hijack our brain? Why?

The candidate one because it can show differences between both or more candidates to see who will be the leader of the country.

Why do you think remixing is so popular today? Explain your answer.

It can help people understand what an assignment is about or project by seeing it in simple terms.

Explanation: I got you broham

4 0
3 years ago
Describe the energy transformations that occur when a light bulb is turned on
Finger [1]
The source has chemical and potential energy which when switched on transforms into a chemical reaction.  Potential energy is stored energy.  A wire which is part of a circuit carries the electrical energy to the bulb which is a form of light energy.  This completes the transformation of potential energy - chemical energy - electrical energy - light energy.
7 0
3 years ago
The size of a tv screen is given by the length of its diagonal
dimaraw [331]
True, the diagonal is usually described as the dimensions
6 0
2 years ago
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