Test whether the mean population of apps is greater than 40

Reference no: EM13623339

According to a 2010 Nielsen survey, the mean number of apps downloaded by iphone users is 40. Suppose a sample of 36 iphone users downloaded an average of 45 apps, with a sample standard deviation of 24. Test whether the mean population of apps is greater than 40, using a level of significance of 0.10. Use the six step approach to hypothesis testing.

Reference no: EM13623339

Questions Cloud

A us company knows it will have to pay 3 million euros in : a us company knows it will have to pay 3 million euros in three months. the current exchange rate is 1.4500 dollars

Find the test statistic f to test the claim that the : find the test statistic f to test the claim that the populations have the same mean.brand 1brand 2brand

Afb inc requires an investment in equipment of 600000 to : afb inc. requires an investment in equipment of 600000 to replace existing equipment. the existing equipment will

The second force has a magnitude of 64 n and is directed at : a rod is lying on the top of a table. one end of the rod is hinged to the table so that the rod can rotate freely on

Test whether the mean population of apps is greater than 40 : according to a 2010 nielsen survey the mean number of apps downloaded by iphone users is 40. suppose a sample of 36

Determine the density of the martian atmosphere for these : the temperature and pressure at the surface of mars during a martian spring day were determined to be -56 oc and 433 pa

The second force has a magnitude of 600 n and acts at a : one end of a meter stick is pinned to a table so the stick can rotate freely in a plane parallel to the tabletop. two

Find and interpret the 98 confidence interval for the : find and interpret the 98 confidence interval for the standard deviation of the time that it takes a telephone

The shareholders of legend have convinced management to : legend is a firm with 250 million in assets and no debt financing. the shareholders of legend have convinced management

Reviews

Write a Review

Required(*) Message

Basic Statistics Questions & Answers

Statistics-probability assignment

MATH1550H: Assignment: Question: A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

What is the least number

MATH1550H: Assignment: Question: what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

Determine the value of k

MATH1550H: Assignment: Question: Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

Binomial distributions

MATH1550H: Assignment: Questions: Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

Estimate the population mean

Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

Find out the probability

Linear programming models

LINEAR PROGRAMMING MODELS

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!

Submit Assignment

User Account

All Pages