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Alona [7]
3 years ago
13

Researchers are assessing a new screening tool (blood-based assay) for early identification of prostate cancer. The test is run

three times in a row on the same sample and then compared to the gold standard currently available test. Researchers found the following results.
New test 1: Elevated Levels
New test 2: Not Elevated Levels
New test 3: Elevated Levels
New test 4: Not Elevated Levels
a. Accurate and reliable.
b. Accurate but not reliable.
c. Reliable but not accurate.
d. Not accurate and not reliable.
e. None of the answers listed here are correct.
Mathematics
1 answer:
natima [27]3 years ago
7 0

Answer: B. Accurate but not reliable

Step-by-step explanation:

An experiment is said to be "reliable" when it consistently gives the same answers when done repeatedly, when the experiment is carried out several times it gives the same result each times.

An experiment is said to be " accurate "

when it produce a correct result using the right procedure and method .

In this case the research assessing a new screening tools for early identification of prostate cancer, test result is "accurate but not reliable ", since the consistent test result was not accurate.

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omeli [17]
<h3>Answer:</h3>

5

<h3>Solution:</h3>
  • First, n*7 can be written as 7n.
  • Then, 7*5 is equivalent to 35.
  • So we have
  • 7n=35
  • In order to find the value of n, we need to divide both sides by 7:
  • n=5

Hope it helps.

Do comment if you have any query.

6 0
2 years ago
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Vladimir [108]
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3 years ago
Last year, 800 students attended the career fair at west high school. this year,the number of students who attended the career f
Delvig [45]

Answer:

840

Step-by-step explanation:

Last year, 800 students attended the career fair at West High School.  

And, this year the number of students who attended the career fair increased by 5%.

We are asked how many students attended the career fair at West High School this year.

Therefore, the number of students attended the career fair at West High School will be 800[1+\frac{5}{100} ]  =800 \times 1.05 = 840. (Answer)

3 0
3 years ago
A shoemaker makes 15,200$ and 912$ in commission (included in 15,200). What is the percent he made in commission to he whole amo
kodGreya [7K]

The total amount of money he only made is calculated by the formula:

amount made = 15,200 – 912

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Therefore the percentage commission was:

% commission = 912 / 14,288 * 100%

<span>% commission = 6.38 %</span>

6 0
3 years ago
Julie works for 48 hours per week for 12 weeks during the summer, making $5000. If she works for 48 weeks during the school year
spayn [35]
She would need to work 12 hours per week. 
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