Estimate the number of books read the previous year

Assignment Help Basic Statistics
Reference no: EM132142344

People were polled on how many books they read the previous year.  How many subjects are needed to estimate the number of books read the previous year within one book with 99% confidence? Initial survey results indicate that o=12.4 books. A 99% confidence level requires how many subjects?

Reference no: EM132142344

Questions Cloud

Calculate the overall cost per shift : Jen and Barry calculate the overall cost per shift y for "Jen & Barry's Fast Fresh Salad Bags". They determine that 20 salad bags can be produced for a total
Confidence interval estimate : A confidence interval estimate is desired for the gain in a circuit on a semiconductor device. Assume that gain is normally distributed with standard deviation
Confidence interval for the population proportion : Construct a 99% confidence interval for the population proportion. A 99% confidence interval for the population proportion is ( , )
How does the decrease in confidence affect the sample size : Suppose the doctor would be content with 95% confidence. How does the decrease in confidence affect the sample size? A 99% confidence level requires how many
Estimate the number of books read the previous year : People were polled on how many books they read the previous year. How many subjects are needed to estimate the number of books read the previous year
Charge of numbering the homes in a new subdivision : You are in charge of numbering the homes in a new subdivision. If we were to ue 0 through 9 as our number to use and we want to have
Confidence interval for the proportion of adults : Construct a 90% confidence interval for the proportion of adults from Country A who say human activity contributes to global warming ( , )
Confidence and a margin of error : You want to estimate the true proportion of college students on your campus who voted in the 2016 presidential election with 95% confidence and a margin
Find the probability that more than 170 had access : A survey reported that 80% of college students had access to a tablet. In a sample of 200 college students, find the probability that more than 170 had access t

Reviews

Write a Review

Basic Statistics Questions & Answers

  High levels of cockpit noise in an aircraft can damage the

High levels of cockpit noise in an aircraft can damage the hearing of pilots who are exposed to this hazard for many hours. A Boeing 727 co-pilot collected 61 noise observations using a handheld sound meter. Noise level is defined as "Low" (under 88 ..

  Patient care from a hospital profitability perspective

Which is more important in managed care, the capital and organizational ability of the hospital

  Calculate symmetrical limits of the population percentage

According to Gallup s annual poll on personal finances, while most U.S. workers reported living comfortably now, many expected a downturn in their lifestyle.

  Find freshmen class needing financial aid has increased

In a random sample of 150 freshman applications received thus far, 67 of the applicants request financial aid. Is there evidence that the proportion of next year's freshmen class needing financial aid has increased?

  Determining the age of trees is of interest

Determining the age of trees is of interest to both individual land owners and to the Forest Service of the US Department of Agriculture.

  Post hoc comparisons with lsd method

Conduct post hoc comparisons with the LSD method. Which groups differ significantly at α = 0.05?

  What is the probability that the person has the disease

A person is chosen at random from this population and the tests indicate that this person has the disease.

  Estimate the proportion of total words

The January 1994 issue of The Nation ranked 22 columnists by how much they used the words I, me, and myself. Select your favorite newspaper columnist.

  Estimate and confidence intervals in the space provided

This project will be completed and turned in individually, not as a team. You will submit a write-up of your solutions (hand written is fine).

  Understanding the normal distribution

Critically discuss understanding the normal distribution and the factors that affect its shape important in solving business and marketing-related questions?

  Interpret the interval-household income for sub scribers

Develop a 95% confidence interval for the mean amount of household income for sub- scribers to Young Professional magazine. Interpret this interval.

  What minimum qualifying score should be set

Normal distribution with average 500 and SD 100. A college wants their students to be in the top 12.5% for verbal aptitude. What minimum qualifying score should they set?

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