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nika2105 [10]
3 years ago
8

PLSSS HELP GIVING BRAINLIEST

Mathematics
1 answer:
Vaselesa [24]3 years ago
3 0

Answer:

i think it may be  21.98 but i dunno

Step-by-step explanation:

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A software developer wants to know how many new computer games people buy each year. Assume a previous study found the standard
Marrrta [24]

Answer:

The minimum sample size required to ensure that the estimate has an error of at most 0.14 at the 95% level of confidence is n=567.

Step-by-step explanation:

We have to calculate the minimum sample size n needed to have a margin of error below 0.14.

The critical value of z for a 95% confidence interval is z=1.96.

To do that, we use the margin of error formula in function of n:

MOE=\dfrac{z\cdot \sigma}{\sqrt{n}}\\\\\\n=\left(\dfrac{z\cdot \sigma}{MOE}\right)^2=\left(\dfrac{1.96\cdot 1.7}{0.14}\right)^2=(23.8)^2=566.42\approx 567

The minimum sample size to have this margin of error is n = 567.

3 0
3 years ago
Please need help I will be MARKING as BRIANILIST. thank you so much. ​​
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Answer:

C

Step-by-step explanation:

I am guessing that's it.

8 0
3 years ago
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Greeley [361]
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4 years ago
Which BEST describes the shape of the distribution?
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I think the correct answer is c please don’t be mad if I am wrong❤️

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What is a histogram? i have a question on it and i dont know how to answer it
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It is <span>a </span>statistical graph<span> that represents the </span>frequency<span> of values of a quantity by </span>verticalrectangles<span> of </span>varying<span> heights and </span>widths<span>. The width of the rectangles is in </span>proportion<span> to the class </span>interval<span> under </span>consideration<span>, and their areas represent the relative frequency of the </span>phenomenon<span> in </span><span>question. And this is one of example of histogram:</span>

5 0
3 years ago
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