User Account

All Pages

Calculate the standard error of the mean

Assignment Help Basic Statistics
Reference no: EM131521788

According to a recent survey by the National Retail Federation, men spent an average of $135.35 on Valentine's Day gifts (compared with $72.28 for women). Assume the standard deviation for this populations if $40 and that it is normally distributed. A random sample of 10 men who celebrate Valentine's Day was selected.

a. Calculate the standard error of the mean
b. What is the probability that the sample mean will be more than $125?
c. What is the probability that the sample mean will be more than $140?
d. What is the probability that the sample mean will be between $120 and $160?
e. Identify the symmetrical interval that includes 95% of the sample means if the true population mean is $135.35

Reference no: EM131521788

Questions Cloud

Find the payback period for this project : find the payback period for this project.
Preparing capital budgeting analysis for new project : When preparing capital budgeting analysis for a new project, What is the NPV(in year 2009) of delaying the investment until 2010?
What is yield to maturity at a current market price : Harrimon Industries bonds have 6 years left to maturity. What is the yield to maturity at a current market price of
Explain the advantages and disadvantages of nuclear energy : Explain the advantages and disadvantages of nuclear energy, detailing issues related to production, delivery, cost, radiation, air quality, and waste.
Calculate the standard error of the mean : According to a recent survey by the National Retail Federation, men spent an average of $135.35 on Valentine's Day gifts (compared with $72.28 for women).
Write a persuasive memo to your business : Write a persuasive memo to your business explaining your opinion on this issue. Be sure to bring up arguments on both sides of the issue
Calculate the probability that the average number : Calculate the probability that the average number of minutes that diners spend at their table for dinner will be less than 100 minutes.
Hypothesis testing and statistical reasoning : At this point in the quarter, you have been introduced to many statistical hypothesis-testing procedures. While they are different computationally
Calculate the actual repurchase price : The Tony Hawk Skate Park was built in early 2010. The construction was financed by $10 million of 5% bonds issued at face value, due in 10 years.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Determine the value of k

MATH1550H: Assignment:  Question:     Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

  What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

  Binomial distributions

MATH1550H: Assignment:  Questions:  Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

  Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

  Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

  Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

  Estimate the population mean

Estimate the population mean

  Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

  Find out the probability

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd