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3 years ago

Square root of 33 using the long division

Mathematics

2 answers:

melamori03 [73]3 years ago

6 0

Answer:

5.74456.

Step-by-step explanation:

because thats the anwser .

Elodia [21]3 years ago

4 0

I know you're looking for long division but, to me, that doesn't seem like the fastest way to find you're answer.

Consider 5x5=25 and 6x6=36 so you're looking for something between 5 and 6.

5.5x5.5= 30.25
5.7x5.7=32.49

Soo... at this point you're close.

5.73x5.73=32.83

And finally

5.75x5.75=33.06

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Not sure you could find the square root with only division because a square like that isn't really obvious like 2x2 is to 4. If you divide 33/2, you get 16.5 but how do you known when to stop picking numbers to divide 33 with? Just a consideration.

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Suppose that a standardized biology exam has a mean score of 80% correct, with a standard deviation of 3. The school administrat

NemiM [27]

Answer:

The 99% confidence interval is between 62.36%(lower bound) and 89.64%(upper bound).

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 zscore that has a pvalue of $1 - \frac{\alpha}{2}$ .

A sample of 65 students from the freshmen class is used and a mean score of 76% correct is obtained.

This means that $n = 65, \pi = 0.76$

99% confidence level

So $\alpha = 0.005$ , z is the value of Z that has a pvalue of $1 - \frac{0.005}{2} = 0.995$ , so $Z = 2.575$ .

The lower limit of this interval is:

$\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.76 - 2.575\sqrt{\frac{0.76*0.24}{65}} = 0.6236$

The upper limit of this interval is:

$\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.76 + 2.575\sqrt{\frac{0.76*0.24}{65}} = 0.8964$

0.6236*100 = 62.36%

0.8964*100 = 89.64%

The 99% confidence interval is between 62.36%(lower bound) and 89.64%(upper bound).

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sveticcg [70]

Answer:

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Step-by-step explanation:

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victus00 [196]

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Reika [66]

Answer:

See below

Step-by-step explanation:

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6 0

2 years ago

Square root of 33 using the long division ​

Square root of 33 using the long division