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3 years ago

A blueprint of a house shows a

Mathematics

1 answer:

Igoryamba3 years ago

5 0

Answer:

The actual square footage of the bedroom is 36 square feet.

Step-by-step explanation:

If one inch from the blueprint is three feet of the actual room, then just multiply twelve by three and you get thirty-six as your answer.

Hope this helped.

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A researcher selects a sample of 49 participants from a population with a mean of 12 and a standard deviation of 3.5. What is th

enot [183]

Answer:

The probability of selecting a sample mean of 13 or larger from this population is 0.0228

Step-by-step explanation:

A researcher selects a sample of 49 participants from a population with a mean of 12 and a standard deviation of 3.5.

$n = 49$

$\mu = 12$

$\sigma = 3.5$

We are supposed to find the probability of selecting a sample mean of 13 or larger from this population i.e. $P(x\geq 13)$

$Z=\frac{x-\mu}{\frac{\sigma}{\sqrt{n}}}$

$Z=\frac{13-12}{\frac{3.5}{\sqrt{49}}}$

Z=2

Refer the z table

$P(Z$

$P(x\geq 13)=1-P(Z$

Hence the probability of selecting a sample mean of 13 or larger from this population is 0.0228

6 0

3 years ago

Please verify this question if it is good.If it is not good then do it for me please anyone!

Dima020 [189]

Answer:

You are correct! good job!

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

PLEASE HELP WILL MARK BRAINLIEST!!!!!

bagirrra123 [75]

Answer:

The answers are=

y=x and AABC - ACDE
y=x and AABC - ACDE

3 0

2 years ago

Read 2 more answers

Write a number sentence that

Gennadij [26K]

Answer:

ok so

faf

Step-by-step explanation:

Factor 20x2 + 25x – 12x – 15 by grouping.

1. Group terms with common factors.

2. Factor the GCF from each group.

3. Write the polynomial as a product of binomials.

(20x2 – 12x) + (25x– 15)

4x(5x – 3) + 5(5x – 3)

(5x – 3)(

x +

)

6 0

3 years ago

Read 2 more answers

Can someone please tell me how to do this

marin [14]

Answer:

no solution

Step-by-step explanation:

both sides = -2 when we substitute n for 2 so

therefore it doesn’t have solution or doesn’t satisfy the inequality

Cuz n should be > not equal

4 0

3 years ago