Author Question: In a sample of 47 adults selected randomly from one town, it is found that 9 of them have been ... (Read 101 times)

luvbio

  • Hero Member
  • *****
  • Posts: 623
In a sample of 47 adults selected randomly from one town, it is found that 9 of them have been exposed to a particular strain of the flu.
 
  Find the P-value for a test of the claim that the proportion of all adults in the town that have been exposed to this strain of the flu is 8.
  A) 0.0262 B) 0.0524 C) 0.0048 D) 0.0024

Question 2

A hypothesis test is performed to test the claim that a population proportion is greater than 0.7. Find the probability of a type II error, , given that the true value of the population proportion is 0.72.
 
  The sample size is 50 and the significance level is 0.05.
  A) 0.5754 B) 0.9706 C) 0.7123 D) 0.4129
 
  Determine whether the given conditions justify testing a claim about a population mean .



Ptupou85

  • Sr. Member
  • ****
  • Posts: 334
Answer to Question 1

C

Answer to Question 2

Here to give you a feedback, your answer was right Awesome



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

For a complete list of videos, visit our video library