User Account

All Pages

Environmental chemicals cause congenital abnormalities

Assignment Help Basic Statistics
Reference no: EM131745875

Question: Abnormalities. In the 1980s it was generally believed that congenital abnormalities affected about 5% of the nation's children. Some people believe that the increase in the number of chemicals in the environment has led to an increase in the incidence of abnormalities. A recent study examined 384 children and found that 46 of them showed signs of an abnormality. Is this strong evidence that the risk has increased?

a) Write appropriate hypotheses.

b) Check the necessary assumptions.

c) Perform the mechanics of the test. What is the P-value?

d) Explain carefully what the P-value means in this context.

e) What's your conclusion?

f) Do environmental chemicals cause congenital abnormalities?

Reference no: EM131745875

Questions Cloud

Prepare a coherently structured paper with an introduction : Prepare a coherently structured paper with an introduction, body, and conclusion. Use effective transitional words, phrases, and sentences.
What adjustment to inventory should be made under ias2 : What adjustment to inventory should be made under IAS2 after this event
Give confidence interval for the mean blood phosphorus level : Give a 95% confidence interval for the mean blood phosphorus level. What sample size would be needed for a margin of error of 0.25 mg/dl for 95% confidence
Find adequate water at a depth of given feet : Dowsing. In a rural area, only about 30% of the wells that are drilled find adequate water at a depth of 100 feet or less.
Environmental chemicals cause congenital abnormalities : Abnormalities. In the 1980s it was generally believed that congenital abnormalities affected about 5% of the nation's children.
Construct a confidence interval for the proportion : For each occupation, construct a 95% confidence interval for the proportion who feel a lot of stress
Public service organization financial statements : Review the financial statements for the organization profiled in Sample Public Service Organization Financial Statements
Aspects of elementary and secondary education nationwide : Absentees. The National Center for Education Statistics monitors many aspects of elementary and secondary education nationwide.
What is the density of water at temperatures : GGR227 - During the initial heating phase of the lake, you likely observed an exponential decrease in temperature with depth.Why is that - What is the density

Reviews

Write a Review

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

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

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +91-977-207-8620

Phone: +91-977-207-8620

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd