Find the probability that the sample mean will be less

Assignment Help Basic Statistics
Reference no: EM13126354

It has been reported that the average time to download the home page from a government website was 0.9 seconds. Suppose that the download times were normally distributed with a standard deviation of 0.3 seconds. If random samples of 36 download times are selected, what is the probability that the sample mean will be less than 0.84 seconds?

Reference no: EM13126354

Questions Cloud

Illustrate what is capital structure of smith : Illustrate what is the capital structure of Smith immediately prior to the acquisition. Determine the amount and account to be recorded for Nichols' investment in Smith.
Working with permutations and combinations : How many bit strings of length 7 are there? Explain. How many bit strings of length 7 are there which begin with a 0 and end with a 1? Explain. How many bit strings of length 7 is there that contain an even number of ones? Explain.
Debit entry to bond interest expense : The market rate of interest for these bonds was 12%. On the first interest date, using the effective-interest method, the debit entry to Bond Interest Expense is for:
Paper the ways specific defining elements of realism : Describe in a 2-3 page paper the ways specific defining elements of realism and/or naturalism manifest themselves in •ret Harte, "The Luck of Roaring Camp".
Find the probability that the sample mean will be less : If random samples of 36 download times are selected, what is the probability that the sample mean will be less than 0.84 seconds?
Illustrate what is del flexible budget for preceding cost : Del's Diner anticipated that 84,000 process hours would be worked during an upcoming accounting period when, in fact, 90,000 hours were actually worked. Illustrate what is Del's flexible budget for the preceding cost formula?
The symmetry factor beta was determined : The answer to Kinetics, The symmetry factor Beta was determined to be 0.4 for an activation controlled Ag deposition process. At overpotential n = -0.400 V the current density was found to be j = -5.125 A/dm^2.
Colleague and i : My manager tole my colleague and I that we had to be more conscience of our proofreading because our reports had to many errors.2. Readers want to scan messages quic therefore we should use every day language and be concise.
Problem regarding monthly payment : Delmar Company purchased a building on January 2 by signing a long-term $480,000 mortgage with monthly payments of $4,400. The mortgage carries an interest rate of 10 percent. The entry to record the first monthly payment will include a:

Reviews

Write a Review

Basic Statistics Questions & Answers

  Determining appropriate sample size

For the binomial sample information summarized below, indicate whether the sample size is large enough to use the large sample approximation to construct a confidence interval for p.

  Mean of population if the sample mean is given

A random sample of 100 observations is obtained from a normally distributed population with a standard deviation of 10. What is a 95% confidence interval for the mean of the population if the sample mean is 40?

  Agents that might be relevant to store leasing decision

Should mean disposable income be used to predict sales based on the sample of 14 Sunflower stores? Are there any other factors not mentioned by the leasing agents that might be relevant to the store leasing decision?

  Application of hypothesis testing on gender discrimination

Using your workplace, present or prior, or an organization with which you are affiliated, identify a quantitative and a qualitative variable of interest to you.

  Case study-texas company

Texas Company produces and sells 22,000 units of a single product. Costs associated with this level of production are as follows:

  Test the claim of a cereal lobbyist

Use a 0.05 significance level to test the claim of a cereal lobbyist that the mean for all cereals is less than 0.3g.

  Sample size assessment by standard deviation-margin of error

How many departments would they need to survey to achieve this level of accuracy with 95% confidence?

  Aptitude test scores of two groups of freshman students

The mean score for freshman on an aptitude test at a certain college is 800 with a standard deviation of 50. That is the probability that two groups of students selected at random, consisting of 36 and 49 students, respectively, will differ in the..

  Quality of the output of the activity you choose

Select an activity you do on a regular basis (e.g., cooking a meal, cleaning the house, doing homework, etc.) and discuss how you could apply statistical quality control to improve the quality of the output of the activity you choose.

  Distribution of gas prices in the area

Suppose today's sample yielded a mean of $4.19 and a standard deviation of $0.10, create and interpret a 99% confidence interval for the population standard deviation. Assume the distribution of gas prices in the area follows a normal distribution..

  The scale used to find out the sex of jockey

illustrate briefly how an experimental study is conducted. What is the difference between the two types of variables used.

  Check the normality assumption

After popping, the un-popped kernels were counted. There were 89. Construct a 90 percent confidence interval for the proportion of all kernels that would not pop.

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