Author Question: In a sample of 47 adults selected randomly from one town, it is found that 9 of them have been ... (Read 120 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?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

For a complete list of videos, visit our video library