Find the expected value e(x)

Assignment Help Mathematics

Reference no: EM13187625

Find the expected value E(X), the varianceVar(X) and the standard deviation σ ( X ) for each of the density functions

f(x)= 3/4(1-x^2) on [-1,1]

Reference no: EM13187625

Questions Cloud

Find out the theoretical yield and percent yield of aspirin : Once the reaction is complete, the student collects 1.23g of aspirin. Determine the theoretical yield and percent yield of aspirin.

How many terminals in the room will be working : A certain university has a computer lab with 219 terminals. Each day there is a 3% chance that a given terminal will break and a 70% chance that a given broken terminal will be repaired. In the long run, about how many terminals in the room will b..

Is the price-fixing fair ethical : Assume you are a business person with an opportunity to make more money by meeting with competitors and fixing prices, conduct which is illegal. The authorities will not discover that the prices have been fixed. In fact, the price rise could be sm..

Can you identify the gaps in your knowledge : Compile a list of at least four skills that are listed as essential or desirable from the advertisments you have sighted, that are unrelated to the specifics of the discipline area.

Find the expected value e(x) : Find the expected value E(X), the varianceVar(X) and the standard deviation σ ( X ) for each of the density functions.

Define the balanced chemical equation : When an aqueous solution of sodium sulfite is added to an aqueous solution of hydrobromic acid, a gas evolves. Write the balanced chemical equation

Determine how much the consumption of the good : Suppose the own rice elasticity of demand for good X is -2, its income elasticity is 3, its advertising elasticity is 4, and the cross-price elasticity of demand between it and good Y is -6. Determine how much the consumption of this good will cha..

State a flammable gas is produced as a byproduct : A solution of NAOCH3 in methanol can be prepared by adding NaH to methanol (CH3OH). A flammable gas is produced as a byproduct. a) write the acid-base reaction that takes place

Find the speed and direction of the air currents : A plane has an airspeed of 195 miles per hour and a heading of 20°. The ground speed of the plane is 207 miles per hour, and its true course is in the direction of 36°. Find the speed and direction of the air currents, assuming they are constants.

User Account

All Pages