MATHEMATICS COLLEGE

A study to determine the sensitivity and specificity of a new test for macular degeneration is conducted on 2430 people. Macular degeneration occurs at a rate of 16.72%. Your sample has the same prevalence of macular degeneration. You find that 377 people with macular degeneration tested positive with the new test. You also have a total of 561 positive test results in your study. CALCULATE THE SPECIFICITY of this test.Question 2 options:

A)

83.29%

B)

98.45%

C)

92.86%

D)

67.20%

E)

90.91%

Answers

Answer 1
Answer: B and A are the answers I think

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If bd = 7x - 10, BC= 4x - 29, and cd= 5x - 9, find each value
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Y2 - 3y + 7 for y= -2

please help me

Answers

Answer:9

Step-by-step explanation: -2x2-3x-2+7=9

Answer:

9

Step-by-step explanation:

(-2x2) - (3x-2) + 7 = 9

-5(7+2y)+15(x+2y); x=7 and y=-7

Answers

Answer:  -5(7+2(-7))+15((7)+2(-7)) = -70

im not sure

Which statement must be true according to the dot plot?The number of text messages that Reza sent each day so
far in this billing cycle is shown on the dot plot.
Text Messages Per Day
O The data is symmetric and shows that he typically sent
about 6 to 8 text messages per day.
o The data is symmetric and shows that he sent 11 or 12
texts with the same frequency that he sent 1 or 2 texts.
O The data is skewed and shows that he typically sent
about 6 to 8 text messages per day.
O The data is skewed and shows that he sent 11 or 12
texts with the same frequency that he sent 1 or 2 texts.
2 3 4 5 6 7 8 9 10 11 12 13​

Answers

*see attachment for the dot plot being referred to

Answer:

The data is symmetric and shows that he typically sent about 6 to 8 text messages per day

Step-by-step explanation:

The distribution of the data set on a dot plot can be said to be symmetric when most of the data points in the data are located or are concentrated at the center of the dot plot.

As we can observe from the given dot plot in the attachment, it shows that 6 to 8 text messages per day have more frequencies and are just right at the center of the dot plot. This shows the data is symmetric.

This also shows that Reza dents averagely 6 - 8 text messages per day. Reza can be said to have typically sent 6 - 8 text messages per day.

The rest statements about the dot plot are untrue.

Write the equation in standard form using integers y=3x+8

Answers

Answer:

3x − y = −8

Step-by-step explanation:

Which of the following sentences describes an equilateral triangle?A:
Two sides are the same length.

B:
Each angle is less than 90 degrees.

C:
One of the angles equals 90 degrees.

D:
The lengths of all three sides are the same.

Answers

D is the answer “The lengths of all three sides are the same

Which of the following is a statistical question?What color is the principal's car?

What is the most common color car in the school parking lot?

Does Jalen own a cell phone?
What is your favorite color?

HELP

Answers

Answer:

so the question is going to be .B

Step-by-step explanation:
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