Contained detectable levels of lead

Assignment Help Basic Statistics
Reference no: EM131726154

A sample of 45 water specimens taken from a construction site 30 contained detectable levels of lead. What is the upper bound for the 90% confidence interval for the proportion of water specimens that contain detectable levels of lead.

Reference no: EM131726154

Questions Cloud

Confidence interval for the proportion of iphone : What is the lower bound for the 95% confidence interval for the proportion of IPhone users who plan to get another IPhone.
Proportion of strikes that are critical strikes : What is the lower bound for the 99% confidence interval for the proportion of strikes that are critical strikes.
Write a responses for five poems of your choice : Write 1-1.5 page responses (standard format) for 5 poems of your choice. Explain in specific words what images the poems brings to your mind.
What is the lower bound : What is the lower bound for the 90% confidence interval for the proportion of those aged 65 and over who had sleep disorder.
Contained detectable levels of lead : A sample of 45 water specimens taken from a construction site 30 contained detectable levels of lead.
Write a research paper about cervical cancer : Write a research paper about CERVICAL CANCER. When you make a statement in your paper, this statement must be supported with fact.
Compare and contrast some of the poems : Identify what seem to be key concepts introduced in the opening of the essay and those concepts that have been emphasized or that have emerged.
Find the critical value if the test : Find the critical value if the test is done with 5% level of significance (alpha=5%).
Find the probability that they have pulse rates : If 4adult females are randomly? selected, find the probability that they have pulse rates with a mean less than 80beats per minute.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Obtain the margin of error e for the confidence interval

in a study on infants one of the characteristics measured was head circumference. the mean head circumference of 14

  Appropriate testing hypothesis problem

Formulate the appropriate testing hypothesis problem and carry out the test if a = 0.05.

  A farmer was interested in determining how many

a farmer was interested in determining how many grasshoppers were in his field. he knows that distribution of

  Effects of cold and warm temperatures on springback

The accompanying data was extracted from the article "Effects of Cold and Warm Temperatures on Springback of Aluminum-Magnesium Alloy 5083- H111" (J. of Engr. Manuf., 2009: 427-431). The response variable is yield strength (MPa), and the predicto..

  Rationale for nationalism and imperialism

Nationalism, imperialism, and colonialism in reference to the British Empire in the 19th Century. How did the same underlying ideas drive attitudes and events in the United States during the same time? How does Social Darwinism become another rati..

  The mean weight for a random sample of 16 ball bearings is

assume that a simple random sample has been selected from a normally distributed population and test the given claim.

  Decision making-expected monetary value

Using the EMV criteria (you wish to maximize expected profits in this case) determine what course of action that Optel should take. Make sure to state the best strategy in words.

  Is each of the boldface numbers parameter or statistic

You use it to call 250 randomly chosen residential telephones in Florida. Of the registered voters contacted, 33% are registered Democrats. Is each of the boldface numbers a parameter or a statistic?

  Formulating suitable null and alternative hypothesis

Formulate a suitable null and alternative hypothesis to test the students' claim that they followed their instructor's recommendation at a 5% level of significance and interpret your findings.

  How does the sample size influence the extent

How does the sample size influence the extent to which the sample data can be used to accurately estimate population parameters?

  When 325 college students are randomy selected and

when 325 college students are randomy selected and surveyed its found that 117 own cars. construct a 99 confidence

  Disappearing internet sites

Internet sites often vanish or move, so that references to them can't be followed. In fact, 13% of Internet sites  referenced in papers in major scienti?c journals are lost within two years after publication.

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