Hypothesis that proportion of all student cell phone users

Reference no: EM13103747

This question focuses on one aspect of that observational study: proportion of Americans who own "smartphones". 35% of Americans who own cell phones own smartphones. The pooled data from your class had a total of 246 participants. Of those 246 participants, 194 reported that they own a smartphone. Test the hypothesis that the proportion of all student cell phone users in the United States who own a smartphone is 35%. Use the 5% level of significance and report your results.

Reference no: EM13103747

Questions Cloud

What proportion of chocolate bars weighs less : Chocolate bars produced by a certain machine are labeled with 8 oz. The distribution of the actual weights of these chocolate bars is Normal with a mean of 8.1 oz and a standard deviation of 0.1 oz. What proportion of chocolate bars weighs less th..

Stipends of teaching assistants : A random sample of stipends of teaching assistants in economics is listed below. Is there sufficient evidence at the alpha=.05 level to conclude that the average stipend different from $15,000? The data is listed below:

Variation and special causes of variation : What is the difference between common causes of variation and special causes of variation?

Estimate for the population mean amount of paint : Construct a 99% confidence interval estimate for the population mean amount of paint included in a 1-gallon can.

Hypothesis that proportion of all student cell phone users : Test the hypothesis that the proportion of all student cell phone users in the United States who own a smartphone is 35%. Use the 5% level of significance and report your results.

Pick up the slack for moms working flextime : What is the probability that 25% or fewer male employees will indicate that they have to pick up the slack for moms working flextime?

Checkpoint- the usa patriot act : Checkpoint- The USA patriot Act. Resource- Defending the Homeland. Comprise an opinion of at least 200 words defining how the scope of American law enforcement is changing as a result of the USA patriot Act as well as if you feel that changes are j..

Price reduction resulted in an increase in sales : At the .01 significance level, can the manufacturer conclude that the price reduction resulted in an increase in sales?

What are the advantages of utilizing discounted cash flow : What are the advantages of utilizing discounted cash flow methods of capital investment evaluation? Why do organizations increase funds from a combination of sources?

User Account

All Pages