Determining mean and standard error of x

Determining mean and standard error of x - bar distribution

Reference no: EM1313867

Q1) Reply the following questions regarding normal, standard normal and binomial distributions.

(i) Why can normal distribution be utilized as approximation to binomial distribution?

(ii) What circumstances should be met to use normal distribution to approximate binomial distribution?

Q2) Suppose that population of heights of female college students is about normally distributed with mean µ of 68 inches and standard deviation σ of= 2.75 inches. Random sample of 16 heights is obtained. Illustrate all work.

(i) Determine the proportion of female college students whose height is greater than 69 inches.

(ii) Determine the mean and standard error of the x - bar distribution.

Reference no: EM1313867

Questions Cloud

Journal entries for recording transactions : Journal entries for recording transactions of disposition and purchase of asset - Prepare the journal entries to record the transactions April1 and August 1, 2007.

If interest rates could be deducted from income : If interest rates could be deducted from income, would an investor change his/her decision based on question 1.

Journal entry for capital asset purchase including trade in : Prepare the general journal entries required to record the acquisition and payment on each of the independent cases above. Round to the nearest dollar.

Deposit currency ratio and cash reserve ratio : Assume an economy in which the reserve ratio is 15 percent, people hold 10 percent of their deposits in the form of cash, and there are no other leakages.

Determining mean and standard error of x - bar distribution : Determine the mean and standard error of the x - bar distribution.

Computation of equivalent annual cost : Computation of equivalent annual cost for two machines and for both machines and use straight-line depreciation to zero over the project's life

Evaluate the cost of the land : Evaluate the cost of the land and the cost of the building as they should be recorded on the books of Martin Buber Co. Assume that the land survey was for the building.

Firms resources limit its search for opportunities : Explain how might a firm's resources limit its search for opportunities. Cite two specific examples for two specific resources.

Graphically representing steady state equilibrium of economy : Consider a market-clearing economy in which output (Y 1 )depends only on the capital stock (k 1 ) and an exogenous productivity variable ( θ1 ) according to the production function y1 = θ 2 f(k 2 ).

User Account

All Pages