Downtown office buildings have ventilation problems

Assignment Help Basic Statistics
Reference no: EM13102694

A researcher determines that 42.7% of all downtown office buildings have ventilation problems. Is this a statistic or a parameter; explain your answer.

Reference no: EM13102694

Questions Cloud

What was the final temperature of the au : A nugget of pure gold of 4.80 grams is absorbed 284 Joules of heat. if the initial temperature was twenty eight degree Celsius then what was the final temperature of the Au? The specific heat of gold = 0.129 J/(g·°C)?
Find the average density of neptune : The average density of the planet uranus is 1.27 x 10^3 kg/m^3. The ratio of the mass of neptune to that of Uranus is 1.19. The ratio of the radius of Neptune to that of Uranus is 0.969. Find the average density of Neptune.
Normal distribution and z-value : What is a normal distribution? What is a Z-Value? Can you provide and example of how they relate?
How many photons does the laser emit : The frequency doubled output of a Nd3+ YAG laser has a wavelength of 532nm. If each pulse of light has a total energy of 0.550J and the repetition rate of the laser is 30Hz, how many photons does the laser emit at 532nm in 3 minutes.
Downtown office buildings have ventilation problems : A researcher determines that 42.7% of all downtown office buildings have ventilation problems. Is this a statistic or a parameter; explain your answer.
Determine the final temperature after thermal equilibrium : A sample of 57 grams of H 2 O with a temperature of sixteen degree celsius is combined to 260 grams of H2O at 90 degree celsius in an insulated container. Determine the final temperature after thermal equilibrium is reached?
Issues involved in assessing validity claim : This experience led her to conclude that these memories should have been repressed for many years. Explain the issues involved in assessing validity of Elaine's claim."
Determine how many lengths of id pipe are required : A commercial plant is to treat 320 m3/hr of feed consisting of 50 % A, 50% inerts at 25 atm and 350ºC to obtain eighty percent conversion. Determine how many 2-m lengths of 2.5 cm ID pipe are required?
Probability of tossing two fair dice : You roll two fair dice, one red and one green. What is the probability of getting a number less than 5 on both?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Using a t-test what will be the critical value

At the .10 significance level you will test to determine if there has been an increase in selling time. Assuming we are using a t test what will be the critical value"?

  Satisfaction with service between the two branches

Estimate with 90% confidence the difference in the level of satisfaction with service between the two branches.

  Distribution with degrees of freedom

What is the 25th percentile of a X² distribution with 20 degrees of freedom? What symbol is used to denote this value?

  Computing probability-rules of probability

An insurance agent has appointments with four prospective clients tomorrow. From past experience the agent knows that the probability of making a sale on any appointment is 1 out of 5.

  What should the average weight be if the production manager

The weight of a product is normally distributed with a standard deviation of .5 ounces. What should the average weight be if the production manager wants no more than 5 percent of the products to weight more than 5.10 ounces.

  Probability of hot dogs

As a way of fund raising, you decide to set up a hot dog stand, after a few weeks of doing this you sell 8 hot dogs every 10 minutes.

  What is the alternative hypothesis

Hypothesis test for one population mean - What is the alternative hypothesis and What is the null hypothesis?

  What is the test statistic and p-value of test

Assuming that the population standard deviations are the same, perform a two independent samples t-test on the hypotheses Null Hypothesis: μ1 = μ2, Alternative Hypothesis: μ1 ≠ μ2. What is the test statistic and p-value of this test?

  Percentage of light bulbs having life

If light bulbs have lives that are normally distributed with a mean of 2500 hours and a standard deviation of 500 hours, what percentage of light bulbs have a life less than 2500 hours?

  Computing and interpreting suitable measure of association

Draw the suitable 2x2 table, compute and interpret suitable measure of association.

  Determining probability for choosing item

If one item is chosen at random, determine these probabilities. It is a TV

  Idealized normal distribution

Let's work with a really idealized normal distribution. We'll pretend that American 12-year-old boys have an average (mean) weight of 100 lbs.

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