Standard deviation mean number-strikes per square kilometer

Assignment Help Basic Statistics
Reference no: EM13140261

The number of lightening strikes on a square kilometer of open ground in a year has mean 6 and standard deviation 2.4. The National Lightening Detection Network uses automatic sensors to watch for lightening in a sample of 10 square kilometers. What are the mean and standard deviation of x, the mean number of strikes per square kilometer?.

Reference no: EM13140261

Questions Cloud

How many grams of o2 will dissolve : The Henry's Law Constant for O2 in water at 20 C is 1.28x10-3mol/(L atm). How many grams of O2 will dissolve in 2.0L of H2O that is in contact with air where partial pressure of O2 is 0.209atm?
Solve problem in control signal processing class : Help with problem in Control signal processing class, Consider the unity-feedback control system whose open-loop transfer function is
Value for money : The Department of Health is considering funding "fluvac" a vaccination for influenza. They want to know whether there is evidence that fluvac represents "value for money".
Governmental or not-for-profit entity from a business entity : Which of the following characteristics distinguishes a governmental or not-for-profit entity from a business entity?
Standard deviation mean number-strikes per square kilometer : Automatic sensors to watch for lightening in a sample of 10 square kilometers. What are the mean and standard deviation of x, the mean number of strikes per square kilometer?
Find differ between humid and dry climates : How do weathering processes differ between humid and dry climates? Include a real-world example of the landform resulting from each of the processes.
Define validity and reliability : Define Face validity, content validity, criterion validity, construct validity, interrater reliability, internal consistency reliability, equivalent forms reliability, and test-retest reliability.
In which organism will a transposon more easily spread : In which organism will a transposon more easily spread: in an asexual haploid species, or in a sexual diploid species? Explain.
Calculate the weight of the gas : 22.4 liters of a gas weighs 70g at S.T.P. Calculate the weight of the gas if it occupies a volume of 20 liters at 27C and 700mm Hg of pressure

Reviews

Write a Review

Basic Statistics Questions & Answers

  Population average failure rate

Digital Switches, Inc., produces a product called the C3PO with an advertised 0.5% failure rate. Calculate the range within which the population average failure rate can be found with 95% confidence.

  Problem related to least squares equation

Assume the least squares equation is Y' = 10 + 20X. What does the value of 10 in the equation indicate?

  Elements in frequency histogram

When making the histogram from frequency table, (a) what goes along the bottom, (b) what goes along the left edge, and (c) what goes above each value?

  Computing probability values using the empirical rule

The ages of cars owned by all employees of a large company have a bell shaped distribution with a mean of 8 years and a standard deviation of 2 years. Using the empirical rule, find the approx. percentage of cars (owned by those employees) that are b..

  Determine correlation coefficient and regression

The city of Oakdale wishes to see if there is a linear relationship between the temperature and the amount of electricity used (in kilowatts).

  Cconfidence interval and test population mean

Compute the 95% confidence interval on the population mean if a sample of 1000 is taken and the sample mean is found to be 15.95 and standard deviation is 4.2.

  How to conclude that there-higher proportion of us companies

Can you conclude that there is a higher proportion of U.S. companies offering high-deductible health insurance plans to their workers in 2006 than in 2005?

  Probability values based on the binomial distribution

For such groups of 800, would it be unusual to get 687 consumers who recognize the Dull Computer Company name?

  Question related to mean shopping time at local supermarket

Using the 0.10 level of significance, is there evidence that the mean shopping time at the local supermarket is greater than the claimed value of 22 minutes?

  Using crosstabs for chi-square

The first step in this assignment is to provide SPSS with the  Value Labels  for the values in LOCALE97.

  Evaluating average annual expenses of students

To evaluate average annual expenses of students on books and class materials sample size 36 is taken.

  Combined verbal and math sat scores problem

Suppose that combined verbal and math SAT scores follow a normal distribution with mean 896 and standard deviation 174. Suppose further that Peter finds out that he scored in the top 3% of SAT scores. Determine how high Peter's score must have bee..

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