Describe the sampling distribution of p-hat

Assignment Help Basic Statistics
Reference no: EM13142579

a) Describe the sampling distribution of p-hat, the sample proportion of college students with the cell phones who send or receive the text messages with their phones.

b) What is the probability that 154 or fewer college students in the sample send and receive text messages with their cell phones? Is this result unusual?

 

Reference no: EM13142579

Questions Cloud

What are the components of the proceeds that are assumed : If executive stock options or restricted stock are outstanding when calculating diluted EPS, what are the components of the "proceeds" that are assumed to be available for the repurchase of shares under the treasury stock method?
Comparison between steel structures : Comparison between steel structures and aluminium structures, To make a comparison between Eurocode 3 and Eurocode 9 outlining the main differences
Statement of cash flow by using direct method : Prepare a statement of cash flow using the direct method for reporting cash flows from operating activities. Omit supporting schedule
Which process is described as creating permanent formation : Which process is described as creating permanent formation of many specific lock-and-key bonds between complementary molecules on each cell surface? Select one: a. specific adherence b. non-specific adherence c. slime layer formation d. Brownian m..
Describe the sampling distribution of p-hat : Describe the sampling distribution of p-hat, the sample proportion of college students with the cell phones who send or receive the text messages with their phones.
What is the role of the cpa and how does it differ : What is the role of the CPA and how does it differ from other accountants? What is the value of the accounting function in your organization, both internally and externally?
What amount of tax revenue is it required to collect : Assume that in the authority’s second year of operations, it incurs the same costs, except that it purchases no new equipment. What amount of tax revenue is it required to collect?
Statements concerning net working capital : Which one of the following statements concerning net working capital is correct?
What is the amount of solar energy converted to chemical : for a given area and time period, what is the amount of solar energy converted to chemical energy called?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Literature review for empirical articles

Explain whether the authors used a population or a sample. Explain how this could have affected the results. If a sample was used, was it representative of the entire population? Why or why not?

  Describe if the life expectancy of people in africa

A sociologist wants to describe if the life expectancy of people in Africa is lesser than the life expectancy of people in Asia.

  Determine the price that pizza king should charge

Use each decision criterion (maximin, maximax, minimax regret, expected value) to determine the price that Pizza King should charge.

  Create confidence interval for difference in mean hdl levels

Generate a 95% confidence interval for the difference in mean HDL levels between men when exercise regularly and those who do not.

  Oridinal-scale measure-independent-dependent variables

A researcher studies the average distance that 130 people who are living in U.S. urban areas walk each week: What is the size of the sample? Identify the population.

  Find probability that none of the men will say yes

A random sample of 12 single men were asked if they would welcome a woman asking them for a date. using the binomial probability table, find the probability that: none of the men will say yes.

  Find probability that candidate will be forecast as winner

If you select a random sample of 100 voters, what is the probability that a candidate will be forecast as the winner when. The true percentage of her vote is 50.1%?

  Proportions of patients reporting pain relief

Is there a significant difference in the proportions of patients reporting pain relief? Run the test at a 5% level of significance.

  Distribution of the sales representatives salaries

Explain what these terms mean in describing the distribution of the sales reps' salaries.

  Quadratic revenue function

A quadratic revenue function often occurs in practice. The reason is that as more units are produced, the price must be lowered in order to sell them all.

  Equivalence of hypothesis test-confidence interval

Two different simple random samples are drawn from two different populations. The first sample consists of 20 people, with 10 having a common attribute.

  Probability of playing cards-five card hand

A deck of playing cards contains 52 cards, four of which are aces. What is the probability that deal of a five-card hand provides?

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