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2 years ago

I need help please and thank you

Mathematics

1 answer:

slega [8]2 years ago

7 0

Answer:

B. The length is 18" and the width is 9".

Step-by-step explanation:

If the scale factor is 1:15, and the drawing is 6"x3", then the actual garden is a size of 90"x45". Now if we scale that to a scale factor of 1:5, then the partner's dimensions will be 18"x9".

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When obtaining a confidence interval for a population mean in the case of a finite population of size N and a sample size n whic

Elanso [62]

Answer:

95% Confidence interval for the mean

$142.8 \leq\mu\leq158.4$

Step-by-step explanation:

We have to calculate a 95% confidence interval for the mean of a finite population.

The error is multiplied by the following finite population correction factor:

$cf=\sqrt{\frac{N-n}{N-1} }$

The standard deviation can be estimated as

$\sigma=\frac{s}{\sqrt{n}} \sqrt{\frac{N-n}{N-1} } =\frac{24.4}{\sqrt{32} }* \sqrt{\frac{200-32}{200-1} }=3.963$

The 95% confidence interval has a z value of 1.96, so it becomes:

$M-z*\sigma_c\leq\mu\leq M+z*\sigma_c\\\\150.6-1.96*3.963\leq\mu\leq 150.6+1.96*3.963\\\\ 142.8 \leq\mu\leq 158.4$

5 0

3 years ago

Name the place of the highlighted digit

enot [183]

Can't answer without a picture

3 0

2 years ago

Can someone help me for this?

Ludmilka [50]

Answer:

500000N=2m

x. =6m

cross multiply, it'll be

6×50000÷2

=150,000N

8 0

2 years ago

If you continue adding fractions according to this pattern when will you reach a sum of 2?

mr Goodwill [35]

Answer:

You will never be able to reach the sum of 2

Step-by-step explanation:

6 0

2 years ago

For each new desk that is purchased, by how much

Natasha2012 [34]

Answer:

is there more to the question?

Step-by-step explanation:

is there anything before that relating to the question or a picture? like “they got ___ desks for ___“ ? i’m not good without context ahaha

5 0

2 years ago