Probability for the mean sat score

Reference no: EM13102387

Assume that the mean SAT score in Mathematics for 11th graders across the nation is 500, and that the standard deviation is 100 points. Find the probability that the mean SAT score for a randomly selected group of 150 11th graders is between 475 and 525.

Reference no: EM13102387

Questions Cloud

At what distance from the axis will the electron strike : An electron with kinetic energy of 6.0 x 10-16 J is moving to the right along the axis of a cathode-ray tube. There is an electric field vector = (2.0 x 104 N/C) j in the region between the deflection plates.

Explain analysis performed during project identification : he economic analysis performed during project identification and selection is rather superficial. Explain why is this? We could train "head person' in normal way, similar to what we are doing here.

Calculate the standard score : Consider a normal population with µ = 25 and σ = 7.0. (A) Calculate the standard score for a value x of 23.

Find the magnitude of the electric field at the center : A charged line of linear charge density ? has been bent into a circular arc of radius r that makes an angle ? with its center. (A). Find the magnitude of the electric field at the center of this arc. (Does your result make sense, what should it be..

Probability for the mean sat score : Assume that the mean SAT score in Mathematics for 11th graders across the nation is 500, and that the standard deviation is 100 points. Find the probability that the mean SAT score for a randomly selected group of 150 11th graders is between 475 a..

Determining poisson distribution and probability : The owner of a small computer store personally sells one computer per week on the average. Use the Poisson distribution to find the probability of randomly selecting a week in which she personally sold three computers.

Binomial distribution-probability of observing event : Jared bets on the number 7 for each of 100 spins of a roulette wheel. Because P(7) = 1/38 he expects to win two or three times. What is the probability that Jared will actually win two or more times?

What is the speed of water : A house sits in a valley and is 30 m lower than the water tower that serves it. What is the speed of water when it sprays out of a shower in the house?

Examine ethical and deviant behaviors in policing : Write down 700- to 1,050-word paper in which you examine ethical and deviant behaviors in policing. Complete following in your paper: state ethics, Explain the nature of ethics and their role in policing.

User Account

All Pages