Find the probability of sample mean

Assignment Help Engineering Mathematics
Reference no: EM131455820

Question: A population has a mean of 200 and a standard deviation of 50. Suppose a simple random sample of size 100 is selected and I' is used to estimate p.

a. What is the probability that the sample mean will be within . ± 5 of the population mean?

b. What is the probability that the sample mean wiII be within ± 10 of the population me an?

Reference no: EM131455820

Questions Cloud

Discuss the importance of cash management : Discuss the importance of cash management. Using examples from your current organization (or an organization you have worked for in the past,)
Find the standard error of the mean as sample size increased : Assume the population standard deviation is s = 25. Compute the standard error of the mean. s­x for sample sizes of 50. 100. 150.
Understand these points better : What questions do you have that would help you understand these points better?
What is the risk-return relationship : What is the risk-return relationship involved in the firm's asset-investment decisions pertaining to working capital management?
Find the probability of sample mean : A population has a mean of 200 and a standard deviation of 50. Suppose a simple random sample of size 100 is selected and I' is used to estimate p.
Industry news related to the company : Research the industry news related to the company (Kohl's). For example, Apple's price has peaked in 2012 and is steadily declining in 2013.
Discuss about the cohesive evidence-based proposal : Combine all elements completed in previous weeks into one cohesive evidence-based proposal and share the proposal with a leader in your organization.
Find probability of proportion as the sample size increased : Assume that the population proportion is .55. Compute the standard error of the proportion. sp. for sample sizes of 100. 200. 500. and 1000.
What is the new market value : Suppose interest rates rise and pulls the preferred stock yield up to 9% What is the new market value?

Reviews

Write a Review

Engineering Mathematics Questions & Answers

  Invertible differentiable function

Suppose f(x) is an invertible differentiable function and the graph  of f passes through the points (4, 2) and (2, 4). The slope of the tangent line to the graph of f at x = 2 is 5/8

  Center of circular table of diameter

Problem: A light is located over the center of circular table of diameter d = 8 feet (see figure). Find the height h of the light source such that the illumination I at the perimeter of the table is maximum when:

  Graphical representation of a linear program

A graphical representation of a linear program is shown in the attachment. The shaded area represents the feasible region, and the dashed line in the middle is the slope of the objective function.

  Comparing two population means

Question 1: When comparing two population means with an unknown standard deviation you use a t test and you use N-2 degrees of freedom.

  Exact value of the integral

Obtain your results for n = 2, 4, 6, ...., 40 panels. For each case, calculate the error in the approximation using the exact value of the integral.

  Write down the set p

Write a closed form expression terms of n and simplify your expression - Write down the set P

  Calculate the slack time for each of the activities

Draw the network diagram; find out the critical path and the expected duration of the project. Calculate the slack time for each of the activities.

  Prove that every subgroup of cyclic group is characteristic

A subgroup H of a group G is called a characteristic subgroup if φ(H) = H for all automorphisms φ of G. Prove that every subgroup of a cyclic group is characteristic. Prove that the center of a group is characteristic

  Plot the number of simplex iterations

Plot the number of simplex iterations (y) versus the number of constraints (m). Save your plot as a picture file, and upload it in your discussion thread.

  Construct the outside walls

An architect is designing an office building that is 120 feet by 72 feet. The architect wishes to use prefabricated rectangular panels to construct the outside walls. If the same size panels are to be used on all sides of the building what is the ..

  Solve differential equation using galerkin method

Solve differential equation of d 2 h /dx 2 =0 using the Galerkin method and considering 0 ≤ x ≤ 3 given that: h = 0 cm when x = 0 m and h = 10 cm when x = 3 m .

  Large numbers of randomly selected cases

Which approach toward data is more aligned with qualitative research?

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