What is the standard deviation of a random variable x

Assignment Help Mathematics
Reference no: EM131077787

a. What is the variance of a random variable X?

b. What is the standard deviation of a random variable X?

Reference no: EM131077787

Questions Cloud

Attendant rate of increase of potential energy : Crude oil is pumped at a rate of 100,138 kg/h from a point 255 meters below the earth's surface to a point 30 meters above ground level. Calculate the attendant rate of increase of potential energy in kW.
Atmospheric pressure from a storage tank : Estimate the shaft power (in Horsepower) requirement to pump 247,063 L/hr of water available at 25oC and atmospheric pressure from a storage tank. The rated differential head requirement is 31 m.
What does it mean to be ready to learn : The society must offer enough __________ so that parents can find child care and early education in tune with what they want and need for their children, including culturally responsive care.
Determine the specific potential energy : Water at 20°C flows through a 5 cm I.D. plastic pipe 100 m long. The velocity of the water at the inlet of the pipe is 4 m/s. The outlet of the pipe discharges to atmosphere and is 35 m above the inlet.
What is the standard deviation of a random variable x : What is the standard deviation of a random variable X?
Remaining concentration of the first ion : An aqueous solution that 2.10 M in AgNO3 is slowly added from a buret to an aqueous solution that is 1.50×10-2 M in Cl- and 0.250 M in I-. When the second ion begins to precipitate, what is the remaining concentration of the first ion?
Advanced in conjunction with other historical changes : Electronic media has advanced in conjunction with other historical changes, making it difficult to assess the unique contributions of electronic media to culture and society.
Question regarding the period of the periodic table : Explain why magnesium metal is more reactive than aluminum metal yet they are in the same period of the periodic table?
What can be attributed to the high poverty rates : What can be attributed to the high poverty rates, low education levels, and high morbidity/mortality rates of the African-American population as compared to other populations?

Reviews

Write a Review

Mathematics Questions & Answers

  What level of the drug in the body do we converge to explain

A child with an ear infection is given a 200-mg ampicillin tablet once every four hours. About 12% of the drug in the body at the start of a four-hour period is still there at the end of that period. Calculate the quantity of ampicillin in the body r..

  Discuss the discontinuities of this function and their

a parking lot charges 3 for the first hour or part of an hour and 2 for each succeeding hour or part up to a daily

  Write-up in the style of a journals results section

Describe your analysis as per the statistical analysis section of a journal's methodology and perform your analysis and then write-up in the style of a journal's results section

  Find an equation for the indicated plane

For the curve r(t), find an equation for the indicated plane at the given value of t. r(t) = (t2 - 10)i + (2t - 3)j + 9k; osculating plane at t = 0

  How much area is available for seating in the concert hall

The front of the stage is 75 feet from the back wall and is 30 feet from the point where the side walls meet behind the stage. How much area is available for seating in the concert hall?

  Find the coefficient of determination and the coefficient

If the correlation coefficient r is equal to 0.726, find the coefficient of determination and the coefficient of nondetermination.

  What is unit digit of 1st 50 prime numbers

What is remainder when 1n +8n -3n -6n is divided by 10?

  How do we know that the eigenvalues of a are all real

How do we know that the eigenvalues of A are all real and distinct before we calculate them? Find the characteristic polynomial of A. Find the eigenvalues of A.

  Explain favor stricter gun control legislation is pw

Suppose the proportion of women who favor stricter gun control legislation is pw and the proportion of men who favor stricter gun control legislation is pm. The survey found a 90% confidence interval for pw-pm IS (-.08,.22). Give an interpretation..

  She success in placing shortest boy first and tallest boy

an elementary school teacher is attempting to line up 6 boys in size places. she success in placing the shortest boy

  Sppose that sigma 17degc test claim that mean population

in order to monitor the ecological health of the florida everglades various measurements are recorded at different

  How many pumps are needed to inflate the ball

A fitness ball is delivered in a flat package with a hand pump. The Pump Inflates the ball at a rate of 280 cubed per pump, to a diameter of 28 cm. How many pumps are needed to inflate the ball

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd