Show that ten percent of all flights have contaminated water

Assignment Help Basic Statistics
Reference no: EM13146704

The EPA is concerned about the quality of drinking water served on airline flights. In September 2004, a sample of 158 flights found unacceptable bacterial contamination on 20 flights. (a) At α = .05, does this sample show that more than 10 percent of all flights have contaminated water? (b) Find the p-value.

Reference no: EM13146704

Questions Cloud

At what level of l does diminishing returns set in : At what level of L does diminishing returns set in? At what level of L does the marginal product equal the average product?
How much will be in a high-yield account at national bank : How much will be in a high-yield account at the National Bank of Arizona 12 years from now if you deposit $5000 now and $7000 fi ve years from now? The account earns interest at a rate of 8% per year, compounded quarterly (draw the cash flow diagram)
Which is characteristic of transcription factors : Which of the following is characteristic of transcription factors?
Explain in detail thermodynamics principles : explain in detail, using thermodynamics principles, why the mixing of pure chemicals to form homogeneous mixture is a so-called spontaneous process
Show that ten percent of all flights have contaminated water : Unacceptable bacterial contamination on 20 flights. (a) At α = .05, does this sample show that more than 10 percent of all flights have contaminated water? (b) Find the p-value.
What is the income elasticity of demand : what is the income elasticity of demand? 4)Using your answers to 1)-3), determine the compensated price elasticity of demand
Conversion of the preferred stock to the common stock : The market value of the common stock at the date of the conversion was $30 per share. What total amount should be credited to additional paid-in capital from common stock as a result of the conversion of the preferred stock into common stock?
What is the resulting temperature : What is the resulting temperature when 35 g of water at 75C is mixed with 15 g of water at 15C? (The specific heat of water is 4.184 J/g x C.)
Types of markets in microeconomic analysis : What are the four major types of markets in microeconomic analysis and what are the key characteristics that distinguish these markets?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Identify at least three methods of statistical inference

Identify at least three methods of statistical inference. Describe in detail each method and how you could use this method in your discipline. You may not use the same tests indicated in your research proposal.

  Finding p-value for the test statistic

The average for 14 cross-country runners is 172 mg/dl with a standard deviation of 41 mg/dl. Solve using the Traditional Method. Find the p-value for your test statistic. Use an α = 0.05.

  Find lowest salary with an mba degree

Standard deviation of $5,000. What is the lowest salary for those individuals with an MBA degree whose starting salary is in the top 10 percent?

  How are the goals of the tests similar and different

How are the goals of the tests similar and different? How are the tests used? What are the purposes of giving these differing tests?

  Determining restaurants violation of health code

Based on these data, explain whether or not course attendance had any effect on determining of a restaurants violation of health code.

  Find standard error of the mean for distribution of length

Suppose we select a sample of 16 cuts from various CDs sold by CRA CDs, Inc. What can we say about the shape of the distribution of the sample mean?

  Determining probability loan request is approved

Records also point to that interviewing committee of bank officers approves 85% of individuals they interview. Determine probability that Ann's loan request is approved.

  Application correlation or regression

Use the Internet to find a website that shows an example or application correlation or regression in the area of your interest or in your profession. Discuss how correlation or regression was used and summarize your finding.

  Professional basketball player

A professional basketball player ins averaging 21 points per game. he will be retiring at the end of this season. The team has multiple options to replace him.

  Why monthly sales have changed statistically

During the last year sales averaged $22,000 per month. Does this indicate that monthly sales have changed (in a statistically significant sense)? Use  0.05. Assume monthly sales are normally distributed.

  Information of sample hypothesis testing

Identify the formal hypothesis testing process. Perform a hypothesis test of one proportion.

  Probability to get at least one offer from two companies

If on the other hand, he believes that the probability that he will get offers from both companies is 0.5, what is the probability that he will get at least one offer from these two companies?

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