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3 years ago

Round 8.35 to the nearest whole number

2 answers:

6 0

To round 8.35 to the nearest whole number you need to deacons wether 8.35 is closer to 8 or 9. .35 is closer to 8 so the answer is 8.

Lelechka [254]3 years ago

5 0

8.35=8
Any decimal point below 5 is rounded down; above 5 is rounded up
Ex: 10.6=11
Hope this helps!

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The admissions director at big city university proposed using the iq scores of current students as a marketing tool. the univers

Vika [28.1K]

The complete question is as follows:

The admission directory of Big City University has a novel idea. He proposed using the IQ scores of current students as a marketing tool. The university agrees to provide him with enough money to administer IQ tests to 50 students. So the director gives the IQ test to an SRS of 50 of the university’s 5000 freshman. The mean IQ score for the sample is xbar=112. The IQ test he administered is known to have a σ of 15. What is the 95% Confidence Interval about the mean? What can the director say about the mean score of the population of all 5000 freshman?

Answer: The 95% confidence interval about the mean is $Confidence interval = 107.84 \leq \mu \leq 116.16$ .

The director can say that he is 95% confident that the mean IQ score of the 5000 freshmen lies between 107.84 and 116.16.

We follow these steps to arrive at the answer:

Since the population standard deviation of the IQ test is known, we can use the Z scores to find the confidence interval.

The formula for the confidence interval about the mean is:

$Confidence interval = \overline{X}\pm Z*\frac{\sigma}{\sqrt{n}}$

In the equation above, X bar is known as the point estimate and the second term is known as Margin of Error.

The Critical Value of Z at the 95% confidence level is 1.96.

Substituting the values in the question in the equation above we have,

$Confidence interval = \112\pm 1.96*\frac{15}{\sqrt{50}}$

$Confidence interval = \112\pm 4.157787873}$

$Confidence interval = 107.8422121 \leq \mu \leq 116.1577879$

5 0

3 years ago

Problem 4-4 Calculation of Gain or Loss (LO 4.3) Jocasta owns an apartment complex that she purchased 6 years ago for $750,000.

NemiM [27]

Answer:

$671,300

Explanation:

The calculation of adjusted basis in the building is shown below:-

Adjusted basis = Original cost of the property + Cost of capital improvements - Depreciation claimed

= $750,000 + $50,000 - $128,700

= $800,000 - $128,700

= $671,300

Therefore for computing the adjusted basis we simply add original cost of the property with cost of capital improvements and deduct depreciation claimed.

5 0

3 years ago

Based on market values, Gubler's Gym has an equity multiplier of 1.46 times. Shareholders require a return of 10.91 percent on t

rewona [7]

Answer:

The answer is "5.4% and 15,23,500".

Explanation:

Calculating the capital cost:

$=(1-\frac{1}{1.46})\times 10.91\% \times (1-39\%)+(\frac{1}{1.46})\times 4.84\% \\\\=(\frac{1.46-1}{1.46})\times \frac{10.91}{100} \times (\frac{100-39}{100})+(\frac{1}{1.46})\times \frac{4.84}{100} \\\\ =(\frac{0.46}{1.46})\times \frac{10.91}{100} \times (\frac{61}{100})+(\frac{1}{1.46})\times \frac{4.84}{100} \\\\=\frac{306.1346}{14600}+\frac{4.84}{146} \\\\= 0.021+0.033 \\\\ =0.054\\\\= 5.4\%$

Maximum amount to be spent

$=\frac{277,000\times 100 }{5.4} \times (1-\frac{1}{(1.054)^7})\\\\=\frac{277,000\times 100 }{5.4} \times (1-\frac{1}{1.44})\\\\=\frac{277,000\times 100 }{5.4} \times (1-0.7)\\\\=277,000 \times 100\times 0.055\\\\=\$15,23,500\\$

6 0

2 years ago

When the media decides to have a "breaking"

Alona [7]

I think it would be impact

3 0

3 years ago

Read 2 more answers

Unfortunately, Angie doesn't have enough money in her account right now. She needs to make additional contributions at the end o

SIZIF [17.4K]

Answer: $770.22

Explanation:

If she makes equal contributions then those would be annuities. The $9,000 she wants to have will be the future value of the amount currently in her account and the annuity.

9,000 = 5,000 ( 1 + r) ^ n + ( annuity * future value interest factor of an annuity, 9%, 3 years)

9,000 = 5,000 ( 1 + 9%) ^ 3 + ( Annuity * 3.2781)

9,000 = 6,475.145‬ + 3.2781 * Annuity

Annuity = (9,000 - 6,475.145‬) / 3.2781

Annuity = $770.22

4 0

3 years ago