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2 years ago

Noah's recipe

Mathematics

1 answer:

Alex_Xolod [135]2 years ago

5 0

Answer:

Noah

Step-by-step explanation:

4/6 = 32/48

5/8 = 30/48

It is simple I did this a while back and got an A

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Suppose we want a 90% confidence interval for the average amount spent on entertainment (movies, concerts, dates, etc.) by fresh

katovenus [111]

Answer:

609

Step-by-step explanation:

Standard deviation = $\sigma$ = $30

Margin of error = E = $2

Confidence level = 90%

Since the distribution is said to be normal, we will use z scores to solve this problem.

The z score for 90% confidence level = z = 1.645

Sample size= n = ?

The formula to calculate the margin of error is:

$E=z\frac{\sigma}{\sqrt{n}}\\\\\sqrt{n}=z\frac{\sigma}{E}\\\\n=(\frac{z\sigma}{E} )^{2}$

Using the values in above equation, we get:

$n=(\frac{1.645 \times 30}{2} )^{2}\\\\ n = 608.9$

This means, the minimum number of observations required is 609

6 0

3 years ago

Please answer this question:)

kogti [31]

Answer:

your answer will be A. 38.5°

Step-by-step explanation:

m<ZYW=1/2(77)

=38.5

hope it helps..

4 0

3 years ago

FREE BRAINLIEST!! ill also answer questions that you have posted if you answer these 2 questions correctly!! ((Answer both quest

Gala2k [10]

Answer:

D and C

Step-by-step explanation:

I don't really know if my answers are even correct but I did some research on them. I don't want to waste your time --or mine.

3 0

2 years ago

Read 2 more answers

Helpp me plssssss????

snow_tiger [21]

Answer:

Step-by-step explanation:

The radius is 4 making the diameter 16 you need the other side since in half so that leaves you with answer C...16 $\pi yd^2$

3 0

2 years ago

The function y = -x + 4 has to main of {0.3,6). What is its range?

Komok [63]

Answer:

i think it's A if I'm wrong then wow

4 0

3 years ago