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3 years ago

IM ALMOST DONE WITH MY DIAGNOSTIC YAY!!!!

Mathematics

2 answers:

Harman [31]3 years ago

8 0

The answer is 27units!! i think i am right

k0ka [10]3 years ago

4 0

Answer:

27 cubic units

hope this helps

have a good day :)

Step-by-step explanation:

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HighTech Inc. randomly tests its employees about company policies. Last year in the 560 random tests conducted, 26 employees fai

Tanzania [10]

Answer:

The 98% confidence interval for the proportion of applicants that fail the test is (0.025, 0.067).

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 $1 - \frac{\alpha}{2}$ .

For this problem, we have that:

560 random tests conducted, 26 employees failed the test. This means that $n = 560, \pi = \frac{26}{560} = 0.046$

98% confidence level

So $\alpha = 0.02$ , z is the value of Z that has a pvalue of $1 - \frac{0.02}{2} = 0.99$ , so $Z = 2.33$ .

The lower limit of this interval is:

$\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.046 - 2.33\sqrt{\frac{0.046*0.954}{560}} = 0.025$

The upper limit of this interval is:

$\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.046 + 2.33\sqrt{\frac{0.046*0.954}{560}} = 0.067$

The 98% confidence interval for the proportion of applicants that fail the test is (0.025, 0.067).

5 0

3 years ago

Write three multiples of 4/5

Greeley [361]

workings...

3x4=12

answer: 12/5 or 2 2/5

4 0

3 years ago

What’s the answer anyone know

Drupady [299]

I do. what you have to do is multiply 23 gallons by how far it can go for each mile (22.3) which gives you 512.9 miles exactly

3 0

3 years ago

Read 2 more answers

100 points

iragen [17]

Student A is wrong and Student B is correct.

How?

Direction is saying to construct a line that passes through C
The last step is enough to describe that A is wrong.
Its saying to swing an arc(Should be line).
On the other hand Student B has done correct
By passing point through C and G it satisfies our required construction.

3 0

2 years ago

On a given blueprint, 1 inch = 30 feet. If the dimensions of a meeting room on the blueprint are 1.5 inches x 1.25 inches, what

melamori03 [73]

Sounds simple to me but may be misleading, I can't see a trick.
I think all you do is multiply each by 30.

So answer is 45ft X 37.5ft

Hope it's correct. I'd appreciate if you could let me know. Thks..

6 0

3 years ago

IM ALMOST DONE WITH MY DIAGNOSTIC YAY!!!!​

IM ALMOST DONE WITH MY DIAGNOSTIC YAY!!!!