Mean and standard deviation of sampling distribution
You take an SRS of size 36 from a population with mean 240 and standard deviation 18. Find the mean and standard deviation of the sampling distribution of your sample size.
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Protonation of the cyanate anion [NCO]- occurs at the N atom and gives a HNC angle of 128 degrees. Protonation of the isomeric fuolminate anion [CNO]- occurs at the C atom and gives an HCN angle of 180 degrees.
The steady horizontal force lasting for 2.10 s provides a 1.25 kg object an acceleration of 3.20 m/s^2 on a frictionless table. Determine what impulse does the force provide to the object?
The o'keefe's have 50 gallons of cucumbers for pickling. The1.5 M KOH solution costs 5$ per liter, ethanol costs 25$ per liter and 9 MH2SO4 solution costs 7.50$ per liter.
i) Determine the number of molecules of water which are there in the more massive person? ii) Determine the magnitude of the gravitational force of attraction among the two people?
An aqueous solution contains 285 mg of trichloroacetic acid (Cl3CCOOH) in 10.0 mL. Determine the analytical concentration of the acid.
When you weigh 680 N on the earth, what would be your weight on the surface of the neutron star that consists of the similar mass as our sun and a diameter of 18.0 km?
The pH of an unknown chloride salt with the generic form (metalion)Cl is measured to be 4.62. Calculate the cation's Ka value.
The image formed by a convex mirror (f = 24.0 cm) consists of a magnification of 0.150. Determine how much (comprising direction) must the object be moved so as to double the image size 1 cm?
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