This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Twenty dogs and 20 cats were subjects in an experiment to test the effectiveness of a new flea ... (Read 84 times)

CharlieWard

  • Hero Member
  • *****
  • Posts: 578
on: Jul 25, 2018
Twenty dogs and 20 cats were subjects in an experiment to test the effectiveness of a new flea control chemical.
 
  Ten of the dogs were randomly assigned to an experimental group that wore a collar containing the chemical, while the others wore a similar collar without the chemical. The same was done with the cats. After 30 days veterinarians were asked to inspect the animals for fleas and evidence of flea bites. This experiment is
  A) randomized block, blocked by species
  B) completely randomized with one factor: the type of collar
  C) completely randomized with two factors
  D) completely randomized with one factor: the species of animal
  E) randomized block, blocked by type of collar

Question 2

An appliance store sells both new and used appliances. Fifty percent of the stock is used. Fifty-two percent is used or defective. If 9 of the store's stock is defective, what percentage is both used and defective?
 
  A) 7 B) 11 C) 93 D) 0.07
Stats: Modeling the World ¦ Bock, Velleman, De Veaux ¦ 4th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

emily12345

  • Sr. Member
  • ****
  • Posts: 321
Reply #1 on: Jul 25, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 29% of students answer this correctly


CharlieWard

  • Member
  • Posts: 578
Reply 2 on: Jul 25, 2018
Wow, this really help

amit

  • Member
  • Posts: 364
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Experiment of Lederberg and Tatum demonstrating gene transfer in E. coli. Experiment of Lederberg and Tatum demonstrating gene transfer in E. coli.
A Schematic Description of the Experiment by Misanin, Miller, and Lewis (1968) A Schematic Description of the Experiment by Misanin, Miller, and Lewis (1968)
Test for Depressive Symptoms: CED Scale Test for Depressive Symptoms: CED Scale
Cards Used in a Formal Test of Problem Solving Cards Used in a Formal Test of Problem Solving
The Turing Test The Turing Test
In a Millikan experiment, a 6.89E-14 kg charged oil droplet is suspended in the electric field ... In a Millikan experiment, a 6.89E-14 kg charged oil droplet is suspended in the electric field ...
Video: A Human Karyotype Preparation Animation

For a complete list of videos, visit our video library