What is the probability a sample mean

Assignment Help Basic Statistics
Reference no: EM133245855

A sample mean distribution with sample sizes of 100 are drawn from a population with a mean of 80 and standard deviation of 15. What is the probability a sample mean will be greater than 81.8?

A sample mean distribution with sample sizes of 100 are drawn from a population with a mean of 80 and standard deviation of 15. What is the probability a sample mean will be greater than 81.8 ?

Reference no: EM133245855

Questions Cloud

Develop a hypothesis for a psychology study : 1. Develop a hypothesis for a psychology study that it would be appropriate to test with a one-sample t test. Explain reasoning as to why this test would be sui
What is the probability that aidan reaches in the bag : Aidan buys a bag of cookies that contains 6 chocolate chip cookies, 8 peanut butter cookies, 5 sugar cookies and 5 oatmeal cookies.
Number of people in a population : a. Assume that the world population is 7.5 billion people and that the birth rate is 2.25% and the death rate is 1.50%. How many years will it take in order for
Information on average percent of the population : You get the information on average percent of the population likely to vote for Trump in 2020.
What is the probability a sample mean : A sample mean distribution with sample sizes of 100 are drawn from a population with a mean of 80 and standard deviation of 15. What is the probability a sample
Con?dence interval on mean photoresist thickness : A new process has been developed for applying photoresist to 125-mm silicon wafers used in manufacturing integrated circuits. Ten wafers were tested, and the fo
Explain the steps for quality improvement : You (plant manager) are given two scenarios: (a) the desired product metric has large scatter, but the overall average and range conform to the customer specifi
What is the probability a random sample : A sample mean distribution with sample sizes of 16 finds a sample mean value of 32 and sample standard deviation of 12. What is the probability a random sample
A sample mean distribution with sample sizes : A sample mean distribution with sample sizes of 16 finds a sample mean value of 32 and sample standard deviation of 12. What is the probability a random sample

Reviews

Write a Review

Basic Statistics Questions & Answers

  If npgt and nqgt5 estimate pmore than 4 with n12 and p07 by

if npgt and nqgt5 estimate pmore than 4 with n12 and p0.7 by using the normal distribution as an approximation to the

  Determine the mean height

Sample heights of 10 year old children from a pilot study are listed below. Using a 95% confidence interval, what sample size should be used?

  Percentile of serum concentration of free t3

What is the 10th percentile of serum concentration of free T3 among people between the ages of 30 and 60? Round to three decimal places.

  Suppose that x xijnx2 is an observed data matrix from a

question suppose that x xijnx2 is an observed data matrix from a bivariate normal distribution nmusigma2i where i is

  Consider flipping two independent fair coins

Consider flipping two independent fair coins. Let X be the number of heads that appear. Compute P(X=x) for all real numbers x.

  Construct a confidence interval for given difference

What's the standard error of the difference in the two proportions?- Construct a 95% confidence interval for this difference.

  Identify the fallacies of presumption

Johnson is employed by the General Services Administration, and everyone knows that the GSA is the most inefficient branch of the government.

  Appropriate hypotheses in case

Which of the following are the appropriate hypotheses in this case?

  What are the correct hypotheses for problem

Using a 0.01 level of significance, test if there is a difference in productivity level. What are the correct hypotheses for this problem?

  Find optimal decision using the expected value approach

Suppose that the probability of strong demand is 0.8 and the probability of weak demand is 0.2. What is the optimal decision using the expected value approach?

  A sinusoidal forcing function

A spring-mass-damper system is shown in Figure AP8.1 (a).The Bode diagram obtained by experimental means using a sinusoidal forcing function is shown in Figure AP8.1 (b). Determine the numerical values of m, b, and k.

  Define the name of fallacy for the given argument

All commodity traders are gamblers who risk sudden disaster. Therefore, all gamblers who risk sudden disaster are commodity traders.

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