User Account

All Pages

You need to estimate the mean number of travel days per

Assignment Help Basic Statistics
Reference no: EM13621335

You need to estimate the mean number of travel days per year for outside salespeople. The mean of a small pilot study was 120 days, with a standard deviation of 16 days.

If you must estimate the population mean within 3 days, how many outside salespeople should you sample? Use the 95% confidence level.

Reference no: EM13621335

Questions Cloud

Determine the horizontal acceleration a of the frame : the collar a is free to slide along the smooth shaft b mounted in the frame. the plane of the frame is vertical.
Explain why ms-within is not an appropriate error term : explain why ms-within is not an appropriate error term demoninator for the repeated measures
In a published study the author has presented a scatter : in a published study the author has presented a scatter plot of data with a line drawn through the data points. this
Why is the t-test more widely useful for hypothesis testing : why is the t-test more widely useful for hypothesis testing compared to a
You need to estimate the mean number of travel days per : you need to estimate the mean number of travel days per year for outside salespeople. the mean of a small pilot study
What value is expected on average for the f-ratio in anova : what value is expected on average for the f-ratio in anova when the null hypothesis is true. explain why this value is
According to the insurance institute of america a family : according to the insurance institute of america a family of four spends between 400 and 3800.00 per year on all types
If the orifice is suddenly opened coefficient of discharge : a tank 1.5m high stands on a trolley and is full of water. it has an orifice of diameter 0.1m at 0.3m from the bottom
You plan to conduct a survey to find what proportion of the : you plan to conduct a survey to find what proportion of the workforce has two or more jobs. you decide on the 99

Reviews

Write a Review

Basic Statistics Questions & Answers

  Hypothesis test to find whether true mean yield decreased

A random sample of 8 recent batches produced the following yields. Conduct a hypothesis test to determine whether the true mean yield has decreased.

  Correct pair of hypotheses

An independent financial advisor claims an average rate of return, μ, on a particular investment is at least 7%. In testing her claim, the correct pair of hypotheses is:

  Find the probability distribution for x

Parole board is examing five prisoners up for parole. let x= number of prisoners out of 5 on parole who become offenders. Find the probability distribution for x.

  The acceptance scheme for purchasing lots containing a

the acceptance scheme for purchasing lots containing a large number of batteries is to test no more than 75 randomly

  Find the intercept and slope and write the regression

question a local tire dealer wants to predict the number of tires sold each month. he believes that the number of tires

  What is the mean number of cats in garage at four pm

Consider the event "Ray is in the garage" and the event "Felix is not in the garage." Are these events mutually exclusive? What is the mean number of cats in my garage at 4:00 pm?

  Find out the probability distribution of blood types

Find out the probability distribution of blood types by gender in the group of 1000 individuals.The table below gives the distribution of blood types by gender in a group of 1000 individuals.

  Determine mean examination score for freshman application

Assistant dean use a sample of application to determine whether the mean examination score for freshman application has changed. State the hypothesses.

  Simplified radical form

Rewrite this simplified radical form. Assume all variabel represent positive real numbers.

  Set up and interpret a confidence interval

The average amount of insulation in the sample of household is 12 inches. The sample standard deviation is 15 inches. Set up and interpret a 95% confidence interval.

  Confidence interval for mean number of characters printed

During the development of the Chapin test, it was given to several different groups of people. Do these data support the contention that female and male students differ in average social insight at significance level = 0.1?

  Test the hypothesis that the proportion of customers who

question a food research laboratory conducts a series of taste tests to compare two sauce recipes a and b. customers

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