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Catalina
MathematicsMathematics
A certain disease has an incidence rate of 0.2%. If the false negative rate is 8% and the false positive rate is 4%, compute the probability that a person who tests positive actually has the disease.
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Maci Mcpherson
MathematicsMathematics
How many 4-element subsets containing the letter a can be formed from the set {a, b, c, d, e, f, g}?
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Ralphie
MathematicsMathematics
A safety inspector conducts air quality tests on a randomly selected group of 7 classrooms at an elementary

school.

Identify the population and sample in this setting.

Choose 1 answer:

A

The population is all classrooms in the district; the sample is the 7 classrooms selected.

B

The population is all classrooms in the elementary school; the sample is the 7 classrooms selected. C

The population is all elementary students in the school; the sample is the students in the 7

classrooms selected.
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Cameron Charles
MathematicsMathematics
A square has an area of 15in^2. what is the approximate side lengths of the card
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Dickerson
MathematicsMathematics
In class, we used associative property to show that when 6 is a factor, then 2 and 3 are factors, because 6=2x3. Use the fact that 10=5x2 to show that 2 and 5 are factors of 70, 80, and 90.
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Darryl Yates
MathematicsMathematics
A social networking site recorded that 80% of the people who became members of the site one month were between 30 and 40 years old. The equation below represents this information, where x represents the total number of people who became members of the site that month:

x = 0.8x + 72

How many people who became members of the site that month were between 30 and 40 years of age?

112

288

360

432
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Paul Cooke
MathematicsMathematics
What is 93 divided by 7
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Tony Black
MathematicsMathematics
Como hacer una

Multiplicación de 356x103
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Giles
MathematicsMathematics
How are plate tectonics related to the earth's surface features
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Shayna Sampson
MathematicsMathematics
If the the dimension of a square place card is 3 1/2 what would the perimeter be?
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Santos
MathematicsMathematics
In 4,346 one 4 is ten times as great as the other 4?
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Gerald Rollins
MathematicsMathematics
How do I turn 0.333 into a fraction
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Nolan Munoz
MathematicsMathematics
You need to find the height of most third graders at your school. What type of data display would you use?
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Itzel
MathematicsMathematics
Top Cat Car wash buys liquid soap in 5 gallon buckets. How many liters in one 5 gallon bucket?

A) 0.1 liters

B) 1.3 liters

C) 18.9 liters

D) 19.0liters
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Isla Hendricks
MathematicsMathematics
Compare 4 x 10^5 and 5x 10^3
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