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Tom [10]
3 years ago
10

According to an IRS study, it takes a mean of 330 minutes for taxpayers to prepare, copy, and electronically file a 1040 tax for

m. This distribution of times follows the normal distribution and the standard deviation is 80 minutes. A consumer watchdog agency selects a random sample of 40 taxpayers.What is the probability that the sampling error would be more than 20 minutes
Mathematics
1 answer:
Goryan [66]3 years ago
3 0

Answer:

Your question is step-by-step solved.

Step-by-step explanation:

Visit: gotit-pro.com/what-is-the-probability-that-the-sampling-error-would-be-more-than-20-minutes

To get the completed solution. Feel free to reach out for fastest, top-notch and impeccable homework and exams help.

Thanks and Best Regards: Your Friendly Study Co-Pilot

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A video company randomly selected 100 of its subscribers and asked them how many hours of shows they watch per week. Of those su
Alik [6]

Answer:

1,135 people

For every 100 people only 45 people watch more than 10 hours per week. So, the ratio is (45/100), since the company has 2500 we want to know what (x/2500) is. The total ratio becomes (1,135/2,500).

The number is found by dividing 2500 by 100 to receive the common factor of 25. You multiply 45 by 25 to receive your total answer.

Step-by-step explanation:

For every 100 people only 45 people watch more than 10 hours per week. So, the ratio is (45/100), since the company has 2500 we want to know what (x/2500) is. The total ratio becomes (1,135/2,500).

The number is found by dividing 2500 by 100 to receive the common factor of 25. You multiply 45 by 25 to receive your total answer.

8 0
3 years ago
Which of the following equals 140 to nearest 10
jarptica [38.1K]
<span>Which of the following equals 140 to nearest 10 
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There is a population of 5,000 bacteria in a colony. If the number of bacteria doubles every 37 minutes, what will the populatio
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If there are 10000 bacteria in the colony in 37 minutes, there will be 20000 bacteria in the colony in 74 minutes, as the bacteria doubles every 34 minutes.

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Answer:

It comes down to what the equals sign means. It means,  that the two things mentioned on either side of the equation are the same thing. If you do something to the left side, you have presumably changed it.

Step-by-step explanation:

Hope this helps, If it did, then I would really appreciate it if you gave me Brainliest, I only need one more to rank up and it has taken forever to get to where I am currently. Thanks.

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