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3 years ago

Plzzz answer both questions and I will give you 100 points

Mathematics

2 answers:

lina2011 [118]3 years ago

7 0

Answer:

Answer: 0.79

Hmm ok, so the first step to solve this problem is to find the area of Kimora's living room. The way to do this is:

So we have now figured out how many square feet of carpet we need. Now to wrap this up and find the answer, Just simply divide the "A" value by the total cost of the carpet like this:

And thats it, be sure to Punch that like button and don't be afraid to ask me more questions. I'm here to help!

Read more on Brainly.com - brainly.com/question/12052123#readmore

Step-by-step explanation:

Answer:

Answer: 0.79

Hmm ok, so the first step to solve this problem is to find the area of Kimora's living room. The way to do this is:

So we have now figured out how many square feet of carpet we need. Now to wrap this up and find the answer, Just simply divide the "A" value by the total cost of the carpet like this:

And thats it, be sure to Punch that like button and don't be afraid to ask me more questions. I'm here to help!

ipn [44]3 years ago

4 0

Answer: 0.79

Hmm <em>ok</em>, so the first step to <em>solve</em> this problem is to find the area of Kimora's living room. The way to do this is:

$L*W=A\\Where L= Length, W= Width, and A= Area\\\\L=16, W=10.5\\16*10.5=168$

<u>So</u> we have now figured out how many <em>square feet of carpet we need.</em> Now to wrap this up and find the answer, Just simply divide the "A" value by the total cost of the carpet like this:

$\frac{132.72}{168}=0.79$

And thats it, be sure to Punch that like button and don't be afraid to ask me more questions. I'm here to help!

<h2>Thanks!</h2>

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Do Audience Ratings Differ Based on the Genre of the Movie? The dataset HollywoodMovies includes a quantitative variable on the

Juli2301 [7.4K]

Answer:

Step-by-step explanation:

Hello!

(a) Which genre has the highest mean audience score? The lowest mean audience score?

1) Action $\frac{}{X}_1$ = 58.63

2) Comedy $\frac{}{X}_2$ = 59.11

3) Drama $\frac{}{X} _3$ = 72.10

4) Horror $\frac{}{X}_4$ = 48.65

The lowest mean score is $\frac{}{X}_4$ = 48.65

The highest mean score is $\frac{}{X} _3$ = 72.10

(b) Which genre has the highest median score? The lowest median score?

1) Action Me₁= 51.00

2) Comedy Me₂= 58.00

3) Drama Me₃= 72.00

4) Horror Me₄= 52.00

The Lowest median is Me₁= 51.00

The Highest median is Me₃= 72.00

(c) In which genre is the lowest score, and what is that score? In which genre is the highest score, and what is that score?

Lowest or minimum scores:

1) Action 32.00

2) Comedy 31.00

3) Drama 46.00

4) Horror 25.00

The genre with the lowest score is "Comedy"

Highest or maximum scores:

1) Action 93.00

2) Comedy 93.00

3) Drama 91.00

4) Horror 78.00

There are two genres with the highest score "Action" and "Comedy"

(d) Which genre has the largest number of movies in that category?

The number of movies for each category corresponds to the sample sizes:

1) Action n₁= 32

2) Comedy n₂= 27

3) Drama n₃= 21

4) Horror n₄= 17

The largest number of movies sampled was for the genre "Action"

(e) Calculate the difference in mean score between comedies and horror movies, and give notation with your answer, using i, for the mean comedy score and, for the mean horror score.

Comedy $\frac{}{X}_C$ = 59.11

Horror $\frac{}{X}_H$ = 48.65

$\frac{}{X}_C$ - $\frac{}{X}_H$ = 59.11 - 48.65= 10.46

I hope this helps!

5 0

3 years ago

A dog breeder would like to know how many Dalmatian puppies are typically born in a litter. He conducts some research and select

podryga [215]

Answer:

c. 6.2 ± 2.626(0.21)

Step-by-step explanation:

We have the standard deviation for the sample, which means that the t-distribution is used to solve this question.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 101 - 1 = 100

99% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 100 degrees of freedom(y-axis) and a confidence level of $1 - \frac{1 - 0.99}{2} = 0.995$ . So we have T = 2.626

The confidence interval is:

$\overline{x} \pm M$

In which $\overline{x}$ is the sample mean while M is the margin of error.

The distribution of the number of puppies born per litter was skewed left with a mean of 6.2 puppies born per litter.

This means that $\overline{x} = 6.2$

The margin of error is:

$M = T\frac{s}{\sqrt{n}} = 2.626\frac{2.1}{\sqrt{101}} = 2.626(0.21)$

In which s is the standard deviation of the sample and n is the size of the sample.

Thus, the confidence interval is:

$\overline{x} \pm M = 6.2 \pm 2.626(0.21)$

And the correct answer is given by option c.

5 0

3 years ago

What is the average score for 98, 111 and 106

lukranit [14]

Since giving you the exact answer wouldn't help you learn anything, read this:

to find average get all of the values (98,111,106) and add them up. then do the sum of 98+111+106 divided by total number if values (3)

6 0

3 years ago

What slope does a horizontal line have?

ioda

Answer:

Step-by-step explanation:

Horizontal

5 0

3 years ago

Read 2 more answers

Latrice is given an unknown substance and is asked to identify is based on his properties. She measures its mass as 239.6grams.

Iteru [2.4K]

Answer:

density =8.87g/cm³

From chart the density shows that it is a Colsibro copper alloy, a precipitation hardening copper nickel silicon.

Step-by-step explanation:

This problem bothers on the density of substances

Given data

Mass m of substance = 239.6grams

length l=3cm

width b=3cm

height h=3cm

Volume of substance =l*b*h

=3*3*3=27cm³

We know that the density of the substance ρ=mass/volume

ρ= 239.6/27= 8.87g/cm³

8 0

3 years ago