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Olenka [21]
3 years ago
10

In a random sample of 20 ​people, the mean commute time to work was 33.5 minutes and the standard deviation was

Mathematics
1 answer:
STALIN [3.7K]3 years ago
6 0
Construct<span> the </span>confidence interval<span> for the </span>population mean<span> it </span>using<span> a </span>t-distribution<span>. ... In a </span>random sample<span> of eight </span>people<span>, the </span>mean commute time<span> to </span>work<span> was 35.5 </span>minutes<span> and the sample </span>standard deviation<span> was. </span>7.2 minutes<span>. ... </span>Use<span> a </span>t-distribution<span> to find the margin of error and </span>construct<span> a 95% ...</span>Assume normal<span> distribution.</span>
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Answer:

62.73 will be the correct answer

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3 years ago
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Gennadij [26K]
That question is asking for the time so your answer will specifically be in hours. And I'm not sure if you divide or you multiply but I'm pretty sure the correct answer is dividing because tomorrow so cancel the miles they will be left with hours. I don't know if that makes sense to you but it kind of makes sense to me somehow.
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3 years ago
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A construction crew has just finished building a road. The road is 10 5/6 kilometers long. If the crew worked for 5 days, how ma
anygoal [31]

Answer:

Step-by-step explanation:

10 5/6 km...in 5 days

(10 5/6) / 5 =

(65/6) / 5 =

65/6 * 1/5 =

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4 years ago
Explain the term <br><img src="https://tex.z-dn.net/?f=%20%5Cmathbb%20%7B%5Cgreen%7Babolute%20%5C%3A%20%7B%20%5Cpink%7Bmeasure%7
Setler [38]

Answer:

<h2> abolute measure </h2>

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<h2>range </h2>

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3 0
2 years ago
A survey of a local high school asked students to name their favorite subject. One out of every 12 students said that their favo
notka56 [123]

Answer:

408

Step-by-step explanation:

You would set up a proportion of 1/12 = 34/x. You would do the butterfly method and get 1x=408. Then divide 408 by 1 to get 408.

3 0
3 years ago
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