I examining the ability of users to complete a variety of

Assignment Help Basic Statistics
Reference no: EM13603563

In examining the ability of users to complete a variety of information-seeking tasks on their mobile devices, Nielsen Norman Group assigned sample members to get the answers to a variety of questions like, "How many calories are there typically in a slice of thin-crust pizza?" The success rate for achieving such tasks was 75% for those using touch-screen phones like the iPhone to access the mobile Internet, compared to the 80% for persons accessing websites on a conventional personal computer. Assuming these percentages to be based on independent samples of 500 persons each, and using the 0.01 level of significance, can we conclude that the population success rate with the mobile Internet and touch-screen phone?

Reference no: EM13603563

Questions Cloud

A round casting is 0 2 m in diameter and 1 m in length what : a round casting is 0. 2 m in diameter and 1 m in length. another casting of the same metal is elliptical in cross
What is the y-component of vector d what is the x-component : vector a has magnitude of 5.0 at an angle of 60.0 o from the x-axis. vector b has magnitude of 9.0 at an angle of -20.0
Legal docs inc is a legal services firm that files : legal docs inc is a legal services firm that files incorporation papers for small businesses. they charge 1000 per
What is the highest temperature at which the flash drum can : we have a mixture that is 20 mol propane 35 mol n-butane and 45 mol n-hexane. if a flash drum operates at 400 kpa what
I examining the ability of users to complete a variety of : in examining the ability of users to complete a variety of information-seeking tasks on their mobile devices nielsen
What is the speed of the ball when it leaves sarahs hand : julie throws a ball to her friend sarah. the ball leaves julies hand a distance 1.5 meters above the ground with an
Find the mole fractions of liquid and vapor products and vf : we are separating a mixture of methanol and water in a flash drum at 1atm pressure. using the equilibrium data feed
Offshore company makes 2 different types of boats sail and : offshore company makes 2 different types of boats sail and fishing boats. the company consists of two different
Electrical power generation is one of the largest sources : electrical power generation is one of the largest sources of human-caused greenhouse gas emissions. these emissions are

Reviews

Write a Review

Basic Statistics Questions & Answers

  Conclusions from hypothesis test for two sample proportion

The Wall Street Journal recently ran an article indicating differences in perception of sexual harrassment on the job between men and women.

  Formulate the appropriate linear program

In addition, the  cruise line has decided to plan for an additional 25% more meals than bookings. Formulate the appropriate linear program and solve using Excel Solver. Show your Work in Excel.

  Confidence intervals for the average price people

Todd is less interested in testing a hypothesis than he is in developing an estimate for what people would be willing to pay. He would like 95% confidence intervals for the average price people would be willing to pay

  Create a probability distribution for situation

According to the website of mars, 21% of m&m's produced are green. suppose 4 candies are selected at random and number of green recorded create a probability distribution for this situation.

  Construct confidence level with a standard deviation

A sample of 16 consumers is taken. The average age in the sample was 22.5 years with a standard deviation of 5 years. Construct a 95% confidence level.

  Probability of an acme bulb

Jamie expects that a bulb will last for 400 to 500 days, what is the probability of an Acme bulb satisfying that?

  Fitting of simple linear equation

Fitting of simple linear equation - Prepare an equation showing how daily sales are related to number of customers per day.

  What is the sample variance and the estimated standard

what is the sample variance and the estimated standard error for a sample of n 4 scores with ss

  Gind probability that women have mean pregnancy in a range

If 100 women are randomly selected, find the probability that they have a mean pregnancy between 266 days and 268 days.

  Probability to win the chess match

Probability of 0.3, and is a draw with probability of 0.3, independently of the previous games. What is the probability that Fischer wins the match?

  Suppose a random sample of 90 measurements is selected from

suppose a random sample of 90 measurements is selected from a population with a mean of 35 and a variance of 300.

  Probability of type second error

Using this information, calculate Beta risk (probability of Type II error) if the true population mean really is 77.

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