What minimum size sample is required

Assignment Help Basic Statistics
Reference no: EM132399940

Suppose you want to estimate the percentage of people who smoke, and you want your estimate to be within 5 percentage points of the correct population measure, based upon an 99% confidence level. What minimum size sample is required? Assume that no estimate of "p-hat" is known.

Reference no: EM132399940

Questions Cloud

What is the value of the sample mean : For a repeated-measures study comparing two treatment conditions, a researcher obtains Cohen's d = 0.50 for a sample of n = 4 scores with a variance of s2 = 16
Give the value of the sample mean : A 99% confidence interval for a situation is developed and is given as follows: 20
Denote the number of flips made : A coin that comes up heads with probability $p$ is continually flipped until the pattern $H$, $T$, $H$ appears for the first time
Percentile for the prices of motorcycles of type : What is the 30th percentile for the prices of motorcycles of this type? Show that a motorcycle priced at $25,000 would be considered an outlier by the 1.5 x IQR
What minimum size sample is required : What minimum size sample is required? Assume that no estimate of "p-hat" is known.
What is the minimum sample size required : Also, suppose that from a previous experiment, we know that the population standard deviation is $5200. What is the minimum sample size required?
Confidence interval for the proportion : A researcher wants to know the poverty rate for the state of Kansas. The researcher randomly selects 150 families and finds 25 are at or below the poverty line.
What is the expected value for the number of player : What is the expected value for the number of player birthdays in January - March?
Inserting the appropriate probability : A) If a = 0.18, and ß = 0.1, complete the following questions by inserting the appropriate probability of each. Decimal Answer.

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!

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