TIM B.

History students scored an average of 82% in their final exam. Assuming a normal curve with a standard deviation of 5%: What is the probability of a student scoring less than 50%?

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Probability & Statistics

06/26/18

Given that Z is a standard normal random variable, compute the following probabilities. Round your answers to 4 decimal places.

P(0<=Z<=0.53)

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Calculus 3

06/25/18

Use Lagrange multipliers to find the maximum and minimum values of f(x,y)=5x+y on the ellipse x^2+36y^2=1.

Use Lagrange multipliers to find the maximum and minimum values

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Probability Distribution Probability & Statistics

05/06/18

How many ways can a committee of 6 be selected from a club with 10 members?

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Answers •1

Statistics

05/02/18

Conditional Probability

Jack and Jill are not particularly good at getting to work on time. The probability that Jill arrives on time is 0.68. The probability that Jack arrives on time is 0.75. But if Jill has made it to... more

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Statistics Question

04/16/18

If a variable with a mean of 100 and a standard deviation of 23 is converted into z-scores, what will the variance be?

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Algebra 2 Probability & Statistics

04/14/18

What is the probability that the fisher chosen from Clearwater had a license and the fisher chosen from Mountain View did not have a license? Do not round ans

Of the people who fished at Clearwater Park today, 81 had a fishing license, and 9 did not. Of the people who fished at Mountain View Park today, 60 had a license, and 40 did not. (No one fished at... more

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Thermodynamics, Engineering

04/10/18

Thermodynamics Question

A 95-slug automobile changes speed from 55 mi/h to 30 mi/h while climbing a 3° hill. If the change in speed occurs over a 1335-ft straight section of road, find the total work. Answer: -270 ft... more

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Physics Physics Math

03/27/18

Physics Math

How much work does a supermarket checkout attendant do on a can of soup he pushes 0.650 m horizontally with a force of 4.90 N? Express your answer in joules and kilocalories.

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Statistics Probability Probability & Statistics

03/27/18

If you select a student at random, what is the probability that the student is either female or hates the class?

A group of twenty one students taking a math class is compromised of nine male and twelve female students. Five or the male students hate the class. While seven of the female students hate the... more

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Calculus

03/26/18

integration of sinx +cosx/16 + 9sin2x w.r.t. x

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Calculus 1

03/22/18

Find the derivative of the function. f'(x)= arccsc 8x

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Thermodynamics

03/22/18

A steam turbine operates on rankine cycle receives

estion: A steam turbine operating on the Rankine cycle, receives steam from the boiler at 3.5 MPa and 350... A steam turbine operating on the Rankine cycle, receives steam from the boiler at 3.5... more

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Algebra 2

03/15/18

mary drove 150 miles in three hours. What washer average rate of speed

Using the formula D=r? t where D equals distance traveled, r equals the average rate of speed, and t equals the time traveled, choose the expression or equation that correctly represents this... more

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Physics Problem Solving Using Rational Equations

03/12/18

Rational Expression Quations

If the voltage V in an electric circuit is held constant, the current I is inversely proportional to the resistance R . If the current is 60 amperes when the resistance is 204 ohms, find the... more

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Calculus Differential Equations Approximation

03/11/18

Differentials to find approximate amount of paint

A coat of paint of thickness 0.06 cm is to be applied uniformly to the faces of a cube of edge 32 cm. Use differentials to find the approximate amount of paint required for the job, correct to the... more

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Statistics/probability

03/06/18

How many ways can a person select 5 glazed doughnuts, 4 cake doughnuts, and 3 filled doughnuts from a selection of ...

How many ways can a person select 5 glazed doughnuts, 4 cake doughnuts, and 3 filled doughnuts from a selection of 13 glazed doughnuts, 10 cake doughnuts, and 8 filled doughnuts?

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Differential Equations

03/06/18

How to find the general solution of xy'-4y=e^x using the associated homogeneous equation ?

so far I've done: xy'-4y=ex xyH-4yH=0 ln|yH|=4lnx+c x4 |yH|=Ae(x^4) y(x)=A(x)e(x^4) y'=A'e(x^4)+4x3A(x)e(x^4)=A'e(x^4)+4x3y x(A'e(x^4)+4x3y)-4A(x)e(x^4)=e^x

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Set this in a Matrix Equation and Solve it.

Ann and Nancy use a metal alloy that is 21% copper to make jewelry how many ounces of an alloy that is 18% copper must be mixed with an alloy that is 23% copper

a 7 kg. mass is moved across table at 25 m/sec. what force caused the acceleration?

Through (5,-3) perpendicular to -8x-5y=-25

Find all solutions to the equation. sin x = square root of three divided by two.

A person drops a penny from the top of a tall building and it takes 15 seconds to hit the ground. Using the acceleration -9.8 m/s^2, how tall is the building?

Differentiate w.r.t. x sin^(-1)⁡〖(3x-4x)〗

mean score 82% with standard deviation of 5%, what is probability of scoring less than 50%

Given that Z is a standard normal random variable, compute the following probabilities. Round your answers to 4 decimal places.

Use Lagrange multipliers to find the maximum and minimum values of f(x,y)=5x+y on the ellipse x^2+36y^2=1.

How many ways can a committee of 6 be selected from a club with 10 members?

Conditional Probability

If a variable with a mean of 100 and a standard deviation of 23 is converted into z-scores, what will the variance be?

What is the probability that the fisher chosen from Clearwater had a license and the fisher chosen from Mountain View did not have a license? Do not round ans

Thermodynamics Question

Physics Math

If you select a student at random, what is the probability that the student is either female or hates the class?

integration of sinx +cosx/16 + 9sin2x w.r.t. x

Find the derivative of the function. f'(x)= arccsc 8x

A steam turbine operates on rankine cycle receives

mary drove 150 miles in three hours. What washer average rate of speed

Rational Expression Quations

Differentials to find approximate amount of paint

How many ways can a person select 5 glazed doughnuts, 4 cake doughnuts, and 3 filled doughnuts from a selection of ...

How to find the general solution of xy'-4y=e^x using the associated homogeneous equation ?

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TIM B.

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Emmersion

Set this in a Matrix Equation and Solve it.

Ann and Nancy use a metal alloy that is 21% copper to make jewelry how many ounces of an alloy that is 18% copper must be mixed with an alloy that is 23% copper

a 7 kg. mass is moved across table at 25 m/sec. what force caused the acceleration?

Through (5,-3) perpendicular to -8x-5y=-25

Find all solutions to the equation. sin x = square root of three divided by two.

A person drops a penny from the top of a tall building and it takes 15 seconds to hit the ground. Using the acceleration -9.8 m/s^2, how tall is the building?

Differentiate w.r.t. x sin^(-1)⁡〖(3x-4x)〗

mean score 82% with standard deviation of 5%, what is probability of scoring less than 50%

Given that Z is a standard normal random variable, compute the following probabilities. Round your answers to 4 decimal places.

Use Lagrange multipliers to find the maximum and minimum values of f(x,y)=5x+y on the ellipse x^2+36y^2=1.

How many ways can a committee of 6 be selected from a club with 10 ​members?

Conditional Probability

If a variable with a mean of 100 and a standard deviation of 23 is converted into z-scores, what will the variance be?

What is the probability that the fisher chosen from Clearwater had a license and the fisher chosen from Mountain View did not have a license? Do not round ans

Thermodynamics Question

Physics Math

If you select a student at random, what is the probability that the student is either female or hates the class?

integration of sinx +cosx/16 + 9sin2x w.r.t. x

Find the derivative of the function. f'(x)= arccsc 8x

A steam turbine operates on rankine cycle receives

mary drove 150 miles in three hours. What washer average rate of speed

Rational Expression Quations

Differentials to find approximate amount of paint

How many ways can a person select 5 glazed doughnuts, 4 cake doughnuts, and 3 filled doughnuts from a selection of ...

How to find the general solution of xy'-4y=e^x using the associated homogeneous equation ?

Still looking for help? Get the right answer, fast.

OR

TIM B.

How many ways can a committee of 6 be selected from a club with 10 members?