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Doss [256]
3 years ago
8

Write nine hundred and eight tenths as a decimal number.

Mathematics
1 answer:
ycow [4]3 years ago
8 0

Answer:

i feel very confident that the answer is .98

Step-by-step explanation:

https://www.google.com/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&ved=2ahUKEwiMoK7zgfTlAhV8HjQIHfiOAGwQjRx6BAgBEAQ&url=https%3A%2F%2Fwww.coolmath.com%2Fprealgebra%2F02-decimals%2F01-decimals-place-value-01&psig=AOvVaw2s70PUkY7LBjyN4Ho2kURn&ust=1574175241328142  this is a great link to help!!

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Out of 100 people sampled, 42 had kids. Based on this, construct a 99% confidence interval for the true population proportion of
maksim [4K]

Answer:

The 99% confidence interval for the true population proportion of people with kids is (0.293, 0.547).

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

z is the z-score that has a p-value of 1 - \frac{\alpha}{2}.

Out of 100 people sampled, 42 had kids.

This means that n = 100, \pi = \frac{42}{100} = 0.42

99% confidence level

So \alpha = 0.01, z is the value of Z that has a p-value of 1 - \frac{0.01}{2} = 0.995, so Z = 2.575.  

The lower limit of this interval is:

\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.42 - 2.575\sqrt{\frac{0.42*0.58}{100}} = 0.293

The upper limit of this interval is:

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.42 + 2.575\sqrt{\frac{0.42*0.58}{100}} = 0.547

The 99% confidence interval for the true population proportion of people with kids is (0.293, 0.547).

7 0
3 years ago
The set of numbers in the form startfraction a over b endfraction a b​, where a and b are integers and bnot equals≠​0, is called
krek1111 [17]
Rational Number are set of numbers that can be written as a/b where a and b are integers, but b is not equal to 0; an integer or a fraction; for example: 6 can be expressed as 6/1 and 0.5 can be expressed as 1/2.
7 0
3 years ago
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An employee works 22 days per month. If they work an average of 8 1/4 hours per day, how many hours do they work per month?
cestrela7 [59]

Answer:

21?

Step-by-step explanation:

idk

5 0
3 years ago
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The stem and leaf plot below shows the number of miles run by members of the cross country team. How many students ran more than
oksano4ka [1.4K]

Answer:

D

Step-by-step explanation:

Counting from 28 to 44, that is more than 27 miles

28, 31, 32, 33, 35, 39, 42, 43, 44

That is 9 ran more than 27 miles

5 0
3 years ago
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Pls help me on question 2
boyakko [2]

Answer:

For this one, your answer will be

(x-8) would describe the case here planes grew 8 inches but x inches this weak.

Step-by-step explanation:

hope it helps

have a great day!!

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2 years ago
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