User Account

All Pages

Production managers with over 15 years of experience

Assignment Help Basic Statistics
Reference no: EM13548074

A sample of 9 production managers with over 15 years of experience has an average salary of $71,000 and a sample standard deviation of $18,000.

Assuming that s = 18,000 is a reasonable estimate for f$sigma f$ what sample size would be needed to ensure that we could estimate the true mean salary of all production managers with more than 15 years experience within $4200 if we wish to be 95% confident?

Reference no: EM13548074

Questions Cloud

Determine the factor of safety of this trench by the culman : A 1.5 meter deep vertical wall trench is to be cut in a soil whose unit weight is 17.36 kN/cubic meters, angle of internal friction is 25 degrees, and cohesion is 20.6 kN/square meters. Determine the factor of safety of this trench by the Culmann Met..
Estimate the maximum force that a water jet from : A pressure washer or power washer is a machine commonly used to clean mildew and dirt off houses, driveways, sidewalks etc. It attaches to a common garden hose
Interpret the slope. : Interpret the slope.
You are asked to design a winch system : You are asked to design a winch system for Santa's sleigh. Assume that Santa weighs 300 lbs, visits 10 houses an hour and requires a 20 foot lift at each house, what is the average power that the system will use if it is perfectly efficient? Express ..
Production managers with over 15 years of experience : A sample of 9 production managers with over 15 years of experience has an average salary of $71,000 and a sample standard deviation of $18,000.
By what factor must the length of the current board be : A diving board of uniform cross-section is designed to deflect 6" under the weight of a 150 pound person standing on the end. With the recent trend towards obesity
State the null hypothesis and the alternative hypothesis : 1. State the Null Hypothesis and the Alternative Hypothesis
Create a depreciation schedule showing annual depreciation : Create a depreciation schedule showing annual depreciation amounts and end-of-year book values for a $26,000 asset with a 5 year service life and a $5000 salvage value, using the MACRS depreciation method.
Determine which variable is the dependent variable : Determine which variable is the dependent variable.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Probability for telecommunication problem

You are assigned to be part of a team of three analysts of a global management consulting company where of the entire work force of analysts. 55% have had no experience in telecommunications

  Inference about population proportion

Spinning a coin, unlike tossing it, may not give heads and tails equal probabilities. I spun a penny 200 times and got 83 heads. How significant is this evidence against equal probabilities?

  Computer terminal reports

The manufacturer of a computer terminal reports in its advertising that the mean life of the terminal, under normal use, is 6 years, with a standard deviation of 1.4 years.

  Anova procedure is a statistical approach

The ANOVA procedure is a statistical approach for determining whether or not:

  Hypotheses-test assumption that two third travelers-laptop

business travelers use laptop computers on overnight business trips. State the hypotheses and test the assumption that two third of business travelers use a laptop (α = 0.05).

  Find probability that reservations are accepted for flights

Find the probability that when 236 reservations are accepted for Flight 179, there are more passengers showing up than there are seats available.

  Statistical correlation versus causation

Describe a different example of where the independent variable, while highly correlated to the dependent variable, does not cause the dependent variable to change directly.

  Tennis tournament-chart the decay rate

Each year the local country club sponsors a tennis tournament. Play starts with 128 participants. During each round, half of the players are eliminated.

  Weighted moving average

Using a 2-month weighted moving average, with weights of 2 for the most recent month and 1 for the previous month develop forecasts sales for March to June inclusive.

  Academic response to conditional probability

A survey of undergraduate students in the School of Business at Northern University revealed  the following regarding the gender and majors of the students:

  What is the expected profit in a sale

A contractor is considering a sale that promises a profit of $32,000 with a probability of 0.7 or a loss (due to bad weather, strikes, and such) of $9000 with a probability of 0.3. What is the expected profit?

  Sample mean water use per day problem

Thirty homes responded, and the sample mean water use per day was 77 gallons with a standard deviation of 9.0 gallons per day.

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