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

Author Question: In hypothesis testing, a Type 2 error occurs when a. the null hypothesis is not rejected when the ... (Read 1692 times)

littleanan

  • Hero Member
  • *****
  • Posts: 575
on: Jul 24, 2018
In hypothesis testing, a Type 2 error occurs when
 a. the null hypothesis is not rejected when the null hypothesis is true.
  b. the null hypothesis is rejected when the null hypothesis is true.
  c. the null hypothesis is not rejected when the alternative hypothesis is true.
  d. the null hypothesis is rejected when the alternative hypothesis is true.

Question 2

Items produced by a certain process are supposed to weigh 90 grams. However, the process is such that there is variability in the items produced and they do not all weigh exactly 90 grams. The distribution of weights is normal with a mean of 89.8 grams and a standard deviation of 1.1 gram. Suppose we sample one of these items. What is the probability that it weighs more than 91 grams?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

al

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Jul 24, 2018
Answer to Question 1

C

Answer to Question 2

0.1377


littleanan

  • Member
  • Posts: 575
Reply 2 on: Jul 24, 2018
:D TYSM

debra928

  • Member
  • Posts: 342
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

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?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

A hypothesis that suggests an explanation of the function of the gene that is defective in patients A hypothesis that suggests an explanation of the function of the gene that is defective in patients
Operant conditioning, also known as trial-and-error learning. Operant conditioning, also known as trial-and-error learning.
Epiphyseal Usually occurs through the growth plate where the matrix is undergoing calcification and Epiphyseal Usually occurs through the growth plate where the matrix is undergoing calcification and
Label the four mutated DNA segments shown below according to the type of point mutation each ... Label the four mutated DNA segments shown below according to the type of point mutation each ...
Type of rocks Type of rocks
Type III curve. Mortality is highest early in life. Data for a desert shrub (Cleome droserifolia). Type III curve. Mortality is highest early in life. Data for a desert shrub (Cleome droserifolia).
Video: T cell receptors

For a complete list of videos, visit our video library