User Account

All Pages

Confidence interval and compare results

Assignment Help Basic Statistics
Reference no: EM132092607

A random sample of 200 textbooks has a mean price of $80 and a standard deviation of $11. Find a 95% confidence interval for the mean price of all textbooks. Then find a 99% confidence interval and compare your results.

Reference no: EM132092607

Questions Cloud

Assess the risks to the community and the needs of offender : Assess the risks to the community and the needs of the offender. Determine which intermediate sanction or combination of sanctions is appropriate.
Competitor-based pricing approach may be more beneficial : Identify a few industries where using the competitor-based pricing approach may be more beneficial. Why did you select this industry?
What factors affect depositions of sediments : What factors affect depositions of sediments - Explain how flood plain and ax how lakes are formed - Briefly explain what happens at the convergent boundary
Distinguish between administrative staff and program staff : Write a three to five (3-5) page paper in which you: Distinguish between administrative staff, program staff, and custodial staff; and discuss the importance.
Confidence interval and compare results : Find a 95% confidence interval for the mean price of all textbooks. Then find a 99% confidence interval and compare your results.
How do categorical grants differ from block grants : How do categorical grants differ from block grants? What parts of the Constitution are most relevant to interstate relations?
Mean height of females in the health profession : Using the sample data and a 95% level of confidence, estimate the mean height of females in the health profession.
Calista doggie goods produces two models : Calista’s Doggie Goods produces two models of its doggie tents, the Doggie Trekker and the Doggie Diva.
Identify and describe the four elements of larceny : Discuss larceny. Identify and describe the four elements. Your essay response must be a minimum of 200 words.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Find the minimum sample size when we want to construct a 95

find the minimum sample size when we want to construct a 95 confidence interval on the population proportion for the

  Maximum number of dots of two sides

Let the stochast X = the maximum number of dots of two sides of one domino stone and let the stochast Y = the minimum number of dots of two sides of one domino stone. Further let the difference stochast D = X - Y. Calculate:

  Expected frequencies and goodness of fit test

A salesperson makes four calls per day. A sample of 100 days gives the following frequencies of sales volumes.

  Expected cost savings for the coming year

If Heartland can increase inventory turnover from its present level of 8 times a year to a level of 12 times per year. Compute its expected cost savings for the coming year.

  Find the standard error of x and interpret it

Find the binomial X for the gender variable (counting the number of females) and interpret it. Find the standard error of X and interpret it.

  In the poker game a hand is a set of 5 cards chosen

question in the poker game a hand is a set of 5 cards chosen randomly from a usual deck of 52 cards.a how many

  Distribution of the average weight of individual oranges

Each bag has 16 oranges. What is the distribution of the average weight of individual oranges?

  Find the probability mass function of number of customers

People enter a department store according to a Poisson process with rate a per hour. It is known that 30% of those entering the store will make a purchase.

  Draw the network

EMP 515 Materials and Logistics Management Spring 2014 Exam Questions. Formulate a transshipment and balanced transportation model to minimize the daily cost of transportation and refining the oil requirements of LA and NY

  Hypothesis test-confidence interval mean by t distribution

Calculate separate confidence intervals for the numbers of days absent for Clinic A and Clinic B, respectively.

  Find a matrix with the total number of the species

Endangered species the tables on the next page give the numbers of some species of threatened and endangered wildlife in the United States and in foreign.

  Suppose a cylindrical glass with a diameter

Suppose a cylindrical glass with a diameter of 8 cm and a height of 10 cm is fully filled with a 400-Cal milkshake.

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