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1 year ago

Please help me with this

Mathematics

1 answer:

SVEN [57.7K]1 year ago

7 0

Answer:

Step-by-step explanation:

Consider this:
Cheese Dip --> Burrito --> Chicken

Cheese Dip --> Burrito --> Beef

Assume Cheese Dip is your starting point and Chicken / Beef are your ending points. We already have two combos here.

Now looking at the diagram, we should see eight ending points in total.

Therefore, there would be eight combinations for Lelia to choose.

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The length of a rectangle is twice its width. if the perimeter of the rectangle is 48 yd , find its area.

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6x = 48
x = 8
2x = 16

8*16 = 128

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2 years ago

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2 years ago

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2 years ago

If 3v/7=6, then v= What is the Answer to the problem?

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Let's solve this problem step-by-step:

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1 year ago

Suppose the population standard deviation is σ = 5 , an SRS of n = 100 is obtained, and the confidence level is chosen to be 98%

beks73 [17]

Answer:

1.165.

Step-by-step explanation:

We have that to find our $\alpha$ level, that is the subtraction of 1 by the confidence interval divided by 2. So:

$\alpha = \frac{1-0.98}{2} = 0.01$

Now, we have to find z in the Ztable as such z has a pvalue of $1-\alpha$ .

So it is z with a pvalue of $1-0.01 = 0.99$ , so $z = 2.33$

Now, find the margin of error M as such

$M = z*\frac{\sigma}{\sqrt{n}}$

In which $\sigma$ is the standard deviation of the population and n is the size of the sample.

In this problem, we have that:

$\sigma = 5, n = 100$ . So

$M = z*\frac{\sigma}{\sqrt{n}}$

$M = 2.33*\frac{5}{\sqrt{100}} = 1.165$

So the correct answer is:

1.165.

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3 years ago