when testing for a fever, what is the true positive rate for a thermometer that always reads 105 F?

42,152 results

Math

when testing for a fever, what is the true positive rate for a thermometer that always reads 105 F? What is the false positive rate? **Note: the definition of fever is that the patients temperature exceeds 100 F**

Computer Science

when testing for a fever, what is the true positive rate for a thermometer that always reads 105 F? What is the false positive rate? **Note: the definition of fever is that the patients temperature exceeds 100 F**

physics

A thermometer of mass 0.0550 kg and of specific heat 0.837 kJ/kg•K reads 15.0°C. It is then completely immersed in 0.300 kg of water, and it comes to the same final temperature as the water. If the thermometer reads 44.0 °C, what was the temperature of the water before the...

thermodynamics

A thermometer of mass 0.0550 kg and of specific heat 0.837 kJ/kg•K reads 15.0°C. It is then completely immersed in 0.300 kg of water, and it comes to the same final temperature as the water. If the thermometer reads 44.0 °C, what was the temperature of the water before the...

Physics

A 34 g glass thermometer reads 21.6°C before it is placed in 135 mL of water. When the water and thermometer come to equilibrium, the thermometer reads 38.7°C. What was the original temperature of the water? I need help on this please could someone please help out.Thank you!

Algebra

A positive integer minus a positive integer is always positive. This statement is sometimes true. For example, 17 – 5 = 12, but 15 – 20 = –5. post five other statements about the addition and subtraction of positive and negative integers, and ask whether each is always ...

Physics Please someone help please

A 34 g glass thermometer reads 21.6°C before it is placed in 135 mL of water. When the water and thermometer come to equilibrium, the thermometer reads 38.7°C. What was the original temperature of the water? -.135(4186)(Tf-38.7)=.034(840)(Tf-21.6) =-565.11Tf+21869.752=28....

physics

A 34 g glass thermometer reads 21.6°C before it is placed in 135 mL of water. When the water and thermometer come to equilibrium, the thermometer reads 38.7°C. What was the original temperature of the water? I need help on this please could someone please help out.Thank you...

physics

A 34 g glass thermometer reads 21.6°C before it is placed in 135 mL of water. When the water and thermometer come to equilibrium, the thermometer reads 38.7°C. What was the original temperature of the water? I need help on this please could someone please help out.Thank you...

Physics

The ice point of a faulty mercury in glass thermometer isX degree celcius while its steam point is 85 degree celcius. If the thermometer reads 50 degree celcius when the true temperature is 40 degree celcius, calculate the value of X

Health/ Basic Clinical Procedures

pelase check my answer thanks true or false Continuous is a type of fever which the temp fluctuates but always remains elevated I said True

health

Which of the following is true about HIV testing? A. Testing isn't normally necessary as HIV symptoms manifest early and are distinctive. B. A positive HIV test result doesn't require follow-up tests, due to the high accuracy of the testing. C. Some HIV tests can provide ...

allied health

Which of the following is true about HIV testing? a. testing isn't normally necessary as HIV symptoms manifest early and are distinctive. b. A positive HIV test result doesn't require follow-up tests, due to the high accuracy of the testing. c. Some HIV tests can provide ...

Engineering Math

I don't know where to start on this one. A thermometer is taken from an inside room to the outside, where the air temperature is ten degrees Fahrenheit. After one minute the thermometer reads 40 degrees Fahrenheit, and after two minutes it reads twenty-five degrees Fahrenheit...

Math

a.)If ABCD is a parallelogram, then ABCD is (always true, sometimes true, OR never true) a rectangle. b.)The diagonals of a square (always true, sometimes true, OR never true) bisect each other. c.)If WXYZ is a rectangle, then the diagonals are (always true, sometimes true, OR...

physics,

A 40degree Celsius thermometer reads 0.7degree Celsius at it boiling point of water. Evaluate the correct thermometerwhen it reads at 30degree Celsius

algebra

A thermometer is guaranteed to give a temperature no more than 1.2 degrees Fahrenheit from the natural temperature. If the thermometer reads 28 degrees Fahrenheit, write and solve an eqution to find the maximum and minimum temperatures it could be.

math

Which statement is true? A.The sum of two positive integers is sometimes positive, sometimes negative. B.The sum of two negative integers is always negative. C.The sum of a positive integer and a negative integer is always positive. D.The sum of a positive integer and a ...

Math

Determine whether the statement is true, false, or sometimes true. Explain or show why. If x is positive and y = -x, then xy is negative. Is this always true or sometimes true?

math

A thermometer reading 7 degrees C is brought into a room with a constant temperature of 29 degrees C. If the thermometer reads 15 degrees C after 4 minutes, what will it read in 6 minutes? 11 minutes?

MATH PLZ

Which is true when a negative nuber is subtracted from a positve number? A.the difference is always 0 B.the difference is always positive C.the difference is always negative D.the difference could be negative or positive *i need examples to

Statistics

7. A random sample of n1 = 16 communities in western Kansas gave the following rates of hay fever per 1000 population for people under 25 years of age. 121 115 124 99 134 121 110 116 113 96 116 116 135 96 96 116 A random sample of n2 = 14 communities in western Kansas gave the...

physics

You work in a materials testing lab and your boss tells you to increase the temperature of a sample by 32.1 Celsius. The only thermometer you can find at your workbench reads in degrees Fahrenheit. If the initial temperature of the sample is 69.6 Fahrenheit, what is its ...

7th grade math

Which of these statements is true when you add a positive, nonzero integer and a negative, nonzero integer? A)The answer may be positive or negative. B)The answer is always negative. C)The answer is always zero. D)The answer is always positive.

algebra 1

4. Given the irrational number .14147…. choose an inequality which approximates to the 4th decimal place. a) .14 < x <.15 b) .141 < x < .142 c) .1413 < x < .1414 d) .1414 < x <.1415 B? 6. Choose an inequality to match this description: The height E of...

physics

A 34 g glass thermometer reads 21.6°C before it is placed in 135 mL of water. When the water and thermometer come to equilibrium, the thermometer reads 38.7°C. What was the original temperature of the water? I need help on this please could someone please help out.Thank you...

Math

Express each statement using an inequality involving absolute value.Do not solve. 1.The majority of grades in Sean's English class are within 4 points of 85. 2.AA thermometer is guaranteed to give a temperature no more than 1.2F from the actual temperature. If the thermometer ...

Math

Gerald reads 120 pages of a book in 4 days. If he always reads 6 more pages than the previous day,find the number of pages he reads on the first day.

life/health science

What bird is like a drink of water? Giardiasis is a type of diarrhea that's also called a) beagle fever b) beaver fever c) Bieber fever * I think the last ? is a??????

mathematics

A patient gets tested for a disease. The test is 90% reliable (that is P(testing positive│have disease)=.9 . 2% of the population has this disease. The test gives a false positive 5% of the time (that is P(testing positive│NOT diseased)=.05). What is the ...

Statistics

Answer “True” if the statement is always true. If the statement is not always true, replace the underlined words with words that make the statement always true. Alpha is the measure of the area under the curve of the standard score that lies in the rejection region for Ho.

geometry

Is it always true, sometimes true, or never true that the centroid is outside its associated triangle? Is it always true, sometimes true, or never true that two complementary angles have a common vertex?

statistics

Many companies today have a mandatory drug testing policy for their employees. To minimize the cost of testing, sample from 6 people are combined. If the mixture tests negative then all 6 individual employees are also negative. Find the probabilty of a positive result for 6 ...

Math

Express each statement using an inequality involving absolute value.Do not solve. 1.The majority of grades in Sean's English class are within 4 points of 85. 2.AA thermometer is guaranteed to give a temperature no more than 1.2F from the actual temperature. If the thermometer ...

language Arts

Which of the following sentences uses perfect these? A. Storm Fever is playing at several different movie theaters? B Storm fever will have stopped playing by next month C Storm Fever has been playing locally for three months D Storm Fever is probably going ti play longer at ...

chemistry 111

in calibrating your thermometer by setting only the freezing and boiling points, what assumptions are you making regarding the internal diameter of the thermometer and the expansion of the thermometer fluid?

math

james reads at a rate of 4 pages every 6 minutes. how long will it take him to read 32 pages if he reads at the same rate?

algebra - help please

A thermometer reading 7 degrees C is brought into a room with a constant temperature of 29 degrees C. If the thermometer reads 15 degrees C after 4 minutes, what will it read in 6 minutes? 11 minutes? So I guess I need to put into newton's law of cooling: u(t) = T + (u sub ...

statistics

Use the following scenario to answer the next 5 questions. Millions of Americans are subjected to drug testing in the workplace. The tests are not always reliable. A false positive rate of 5% is considered to be a conservative estimate. Suppose that there are 20 employees in ...

Math - more help please

A thermometer reading 7 degrees C is brought into a room with a constant temperature of 29 degrees C. If the thermometer reads 15 degrees C after 4 minutes, what will it read in 6 minutes? 11 minutes? So I guess I need to put into newton's law of cooling: u(t) = T + (u sub ...

physics

What work is done by a friction force acting on an object? Select one: a. Always negative b. Always positive c. May be positive or negative depending on the choice of coordinate system d. Always zero

college physics

What work is done by a friction force acting on an object? Select one: a. Always negative b. Always positive c. May be positive or negative depending on the choice of coordinate system d. Always zero

Physics Please check my answers

It's possible for a body to have both rotational and translational motion at the same time. True. << False. 2. The moment of inertia of an object would be different on the surface of the earth than on the surface of the moon. True. << False. 3. The moment of ...

engineering

A thermometer is used to measure the temperature of a gas flow through a pipe. The gas temperature is read at 500°C and the duct temperature is measured to be 350°C. The thermometer is cylindrical with a diameter of 1 mm and an intrusion length of 1 cm. It can be assumed ...

math

Determine whether the statement is always true, sometimes true, or never true. 3) The length of the hypotenuse of a right triangle equals the length of one of the legs of the triangle. Answer choice: a.) always true b.) sometimes true c.)never true

chem

If a thermometer is calibrated to the nearset degree, what part of a degree can you estimate the temperature it measures? Doesn't it depend upon the spacing of the degree marks. Spaced like this || or like this |     | would make a difference, wouldn't it? ...

Math

Decide whether the given statement is always, sometimes, or never true. The domain of a rational expression and any simplified form are equivalent. a. sometimes true b. never true c. always true

Statistics

The rate of chlamydia infection was reported as 2.78% in a recent year. Under certain conditions, a preliminary screening test for the chlamydia bacterium is correct 96% of the time. One person is randomly selected from the population. find the true positive. Can someone ...

physics

Ideally, when a thermometer is used to measure the temperature of an object, the temperature of the object itself should not change. However, if a significant amount of heat flows from the object to the thermometer, the temperature will change. A thermometer has a mass of 31.8...

PHYSICS

Ideally, when a thermometer is used to measure the temperature of an object, the temperature of the object itself should not change. However, if a significant amount of heat flows from the object to the thermometer, the temperature will change. A thermometer has a mass of 31.2...

algebra

Could someone please help me with this? (1) If x is a nonzero real number, is x–2 always positive, always negative, or positive or negative depending on whether x is positive or negative? Explain your answer.

Physics true false

true false The speed of a particle is always positive. True False The average speed of a particle is equal to the magnitude of its average velocity. True False The acceleration of a particle can be non-zero when its speed is constant. True False When the average velocity of a ...

statistics

Assume that human body temperature are normally distributed with a mean 98.21 F and a standard deviation of 0.61F a)A hospital uses 100.6 as the lowest temperature considered to be a fever. What percentage of normal and healthy persons would be considered to have a fever. Does...

algebra

) If x is a nonzero real number, is x–2 always positive, always negative, or positive or negative depending on whether x is positive or negative? Explain your answer.

Chemistry

I would really like to understand how to do these problems, because my exam is coming up in a few weeks. I still cannot comprehend how you can tell if a system is is positive or negative according to reaction. For #1, I presume it is E if it is spontaneous at all temperatures...

Chemistry

I would really like to understand how to do these problems, because my exam is coming up in a few weeks. I still cannot comprehend how you can tell if a system is is positive or negative according to reaction. For #1, I presume it is E if it is spontaneous at all temperatures...

Pre-Calculus

Graphing Polynomials Decide whether each of the following is sometimes true, always true, or never true and explain reasoning. A. A cubic function has 2 different x-intercepts ^Never true, has to have 3? B. A cubic function has 3 x-intercepts ^ Always true C. A quartic ...

math

how do u get the answer? A nurse has to record her temperatures in Celsius but her thermometer reads Fahrenheit. A patient's temperature is 100.7° F. What is the temperature in °C

Science - heat

1-By opening the door of a refrigerator ehich is inside a room, the temperature of the room : A) decreases B) increases C) remains unchanged D) first decreases and then increases******(my ans) 2- The thermometer used to measure very low temperature is - A). Mercury thermometer...

Physics

Pease evaluate the statements by choosing from these three statements Always true: the statement is true under any circumstances Not necessarily true: the statement may be true in some circumstances, but not in others Always false: under no circumstances is this true 1. If you...

phy

an ungraduated mercury thermometer attached to a millimeter scale reads 22.8mm in ice and 242mm in steam at standard pressure. What will the millimeter read when the temperature is 20

phy113

An ungraduated mercury thermometer attached to a millimeter scale reads 22.8 mm in ice and 242mm in steam at standard pressure. What will the millimeter read when the temperature is. 20oC?

algebra

Are the following true or false? 1. The difference of two natural numbers is always a natural number. 2. The sum of two natural numbers is always a natural number. 3. The quotient of two natural numbers is always a natural number. 4. The difference of two natural numbers is ...

math

Test these conjectures. Give three examples. Explain if the conjecture is correct or incorrect. 1. If a number is divisible by 4, it is always an even number._________________________________ 2. All multiples of 5 have a 5 in the ones place.__________________________________ 3...

math 115

1. divide26/634=24r10 is this correct? 2. subtract. 104.567-78.658= 25.909 is this correct? 3.identify the rate, base and amount in the following statement. 30% of 350 =105 350x.3=105 rate=30% base=350 amount=105. is this correct? 4. what is 60% of 250? =150. is this correct? ...

Algebra II

In an induction proof of the statement 4+7+10+...+(3n-1)=n(3n+5)/2 the first step is to show that the statement is true for some integers n. Note:3(1)+1=1[3(1)+5]/2 is true. Select the steps required to complete the proof. A)Show that the statement is true for any real number ...

Language Arts

There is little, if any,m "storm" in the new movie Storm Fever. Aren't actors supposed to act, and aren't directors supposed to direct? Actor Robert Pierre seems to wander aimlessly around the set. And director Sue Smith can't seem to figure out to present a good story. This ...

Science

A child has a fever. The temperature of his body is recorded as 103 degree farenheit by a thermometer . A doctor advised his mother to give medicine to lower the temperature. As we know evaporation causes cooling. The medicine given to child enhanced the evapouration. ...

Writing

Help me please! My daughter is failing in the 4th grade with her writing. How can I help her improve her writing skills? She doesn't grasp what she reads fully because her writing doesn't match with what she reads. asahe leaves out crucial information and her spelling and ...

Chem Help!!!!

What Celsius temperature will the Fahrenheit thermometer be 4-times more than on the Celsius thermometer? At what Celsius temperature will the numerical reading on the Fahrenheit thermometer be 1/9 that on the Celsius thermometer?

Chemistry

Spontaneous reactions ________. always release free energy*** always result in increase disorder of the system always take place at a rapid rate are always exothermic

math

When is this true X^3>3 •always •never •always true when x>1 •always true when x<0

Geometry

Is it always true, sometimes true, or never true that the circumcenter is outside its associated triangle? Is it sometime true?

Algebra 1

Which statement is always a correct conclusion about the values x and y in the function y=x-3? a. The value of x is always 3 less than the value of y b. The value of y is always less than the value of x c. When the value of x is positive, the value of y is also positive d. As ...

algebra

x^2(insert radical sign) x is this statement always true is this true when x is negative is this never true is this true when x=0 Wow can't understand this. Anyone explain this to me please

Physics

A mercury in glass thermometer reads 4cm at ice point and 29cm at steam point. Calculate the temperature when the mercury level is at 9cm

Language Arts

There is little, if any,m "storm" in the new movie Storm Fever. Aren't actors supposed to act, and aren't directors supposed to direct? Actor Robert Pierre seems to wander aimlessly around the set. And director Sue Smith can't seem to figure out to present a good story. This ...

Math

Tell whether the sum between the two integers is always, sometimes, or never positive. Two Positive Integers: Sometimes One Positive and one negative integer: Always Is it right?

Calculus Help

Based on the following table of values for the function w(t), answer the questions below. t= 100 110 120 130 140 150 w(t)= 2.6 7.3 12.7 19 26.1 34.1 a) Which of the following best describes the derivative of w(t)? A. changes sign B. always positive C. always negative b) Which ...

Math- probability

Suppose 80% of kids who visit a doctor have a fever, and 30% of kids with a fever have sore throats. What's the probability that a kid who goes to the doctor has a fever and a sore throat? Round to three decimal places.

Math

If x is a nonzero real number,is x-2 always positive,always negative,or positive or negative depending on whether x is possible or negative explain

English!!!

Identify the main idea of this paragraph: This ship is carrying kala fever serum to Group One on Woden. Their own supply was destroyed by a tornado. Group Two-the crew your brother is in-is eight thousand miles away across the Western Sea and their helicopters can't cross it ...

math

the following statement always true, always false, or true in some cases and false in others? Explain your answer. A quadrilateral whose diagonals are congruent and perpendicular is a square.

Chemistry (Check)

Classify each of these statements as always true, sometimes true, or never true 11)sometimes true 12)Never True 11)Scientific notation is used to express large numbers in convenlent form. 12)Siginificant figures include all the digits that can be known accurately plus a last ...

English

1. There is a thermometer in the instrument screen. 2. There is a thermometer in the instrument shelter. 3. There is a thermometer in the shelter. ------------------------- Which expression is gramamtical?

Math

When you multiply a positive number by a negative one, what is the sign of the answer? a. always negative b. always positive c. always the same sign as the larger of the two numbers d. always the same sign as the first of the two numbers I believe the answer is B

algebra

True or false if the statement is not true give a counterexample. 1.If a>b,and c is positive, then ac>bc? 2.if a^2=b^2,then a=b? 3. If a>b,and c is positive,then a/c>b/c?

Science

2.)you had a real thermometer that was accurate, how could you modify your experimental thermometer to read actual temperatures?

Science

if you had a real thermometer that was accurate how could you modify your experimental thermometer to read actual temperatures

science

If you had a real thermometer that was accurate, how could you modify your experimental thermometer to read actual temperatures?

Statistics

*Give all probabilities to two decimal places. Three daily newspapers are published in a large city. Suppose we have the following facts about the people in the city: 60% read Newspaper A. 34% read Newspaper C. 72% read Newspaper A or Newspaper B. 18% read Newspaper A and B. ...

Math

Find the value of x. The area of a rectangle = 105 The length is 2x+1 Width is x __________________________________ I tried solving it : Arec = l x w 105 = (2x+1)x 105 = 2x^2 + x 0= 2x^2 + x - 105 This is where I get stuck on...

physics

When an immersion glass thermometer is used to measure the temperature of a liquid, the temperature reading will be affected by an error due to heat transfer between the liquid and the thermometer. Suppose you want to measure the temperature of 7 mL of water in a Pyrex glass ...

basic math

Is it always true, sometimes true, or never true that a regular quadrilateral has two or more obtuse exterior angles? Is it Sometimes true

Algebra 2

Classify the following statement as sometimes, always, or never true. 1. a - (b - c) = a - b + c A: The statement is always true?

Chemistry

1. A combination reaction may also be a displacement reaction. True or False 2. The combustion of an element is always a combination reaction. True or False For number 1, I first thought true, but then again, nothing is being displaced in a combination reaction, right? You are...

Mth 209

Which of the following conclusions is true about the statement below? X^2√x Multiple Choice: The statement is never true. The statement is true when x is negative. The statement is true when x=0. The statement is always true.

geometry

Is it always true, sometimes true, or never true that two complementary angles have a common vertex?

CHEMISTRY

Here is what my lab was about: Properties of alcohols: First, I wrapped the bulb of a thermometer with a tissue secured with a wire. Then I squeeze enough methanol onto the tissue to completely saturate. At the same time, another person starts the stopwatch, reads the ...

Math

Decide whether each statement is always true, sometimes true, or never true.

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