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maks197457 [2]
3 years ago
10

Please help due soon

Mathematics
1 answer:
Schach [20]3 years ago
4 0

Answer:

You should divide (÷)

Step-by-step explanation:

4.80÷ 80/100

then u add them together and get ur answer

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Troyanec [42]

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Solve the equation 24 = 13n – 4n +9.<br> n =
Alexxx [7]

Answer:

n=5/3

Step-by-step explanation:

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simplified it would be 5/3

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4 0
3 years ago
A veterinarian sampled 235 sheep from a large herd to obtain a 90% confidence interval for the mean weight of wool from the shee
stiv31 [10]

Answer:

A. Wider and would have a smaller chance of missing the true mean.

Step-by-step explanation:

Margin of error for a confidence interval:

The margin of error for a confidence interval is given by:

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

In which z is related to the confidence level(the higher the confidence level, the higher the value of z), \sigma is the standard deviation of the population and n is the size of the sample.

95% confidence interval

Would be wider than the 90% confidence interval, due to the higher value of z.

Also, a x% confidence interval has a x% chance of having the true mean, and a (100-x)% probability of missing the true mean.

Then, a 95% confidence interval has a smaller(5%) chance of missing the true mean compared to the 90% confidence interval(10%). This means that the correct answer is given by option A.

4 0
3 years ago
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