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

Author Question: The diameter of ball bearings produced in a manufacturing process can be explained using a uniform ... (Read 19 times)

jayhills49

  • Hero Member
  • *****
  • Posts: 559
on: Jul 24, 2018
The diameter of ball bearings produced in a manufacturing process can be explained using a uniform distribution over the interval 7.5 to 9.5 millimeters.
 
  What is the probability that a randomly selected ball
  bearing has a diameter greater than 8.6 millimeters?
  A) 0.45 B) 0.9053 C) 4 D) 0.5059

Question 2

A study was designed to investigate the effects of two variables - (1 ) a students level of mathematical anxiety and (2 ) teaching method - on a students achievement in a mathematics course.
 
  Students who had a low level of mathematical anxiety were taught using the traditional expository method. These students obtained a mean score of 480 with a standard deviation of 20 on a standardized test. Assuming no information concerning the shape of the distribution is known, what percentage of the students scored between 440 and 520? A) at least 75 B) approximately 95
  C) at least 88.9 D) approximately 68


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Jody Vaughn

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

A

Answer to Question 2

A


jayhills49

  • Member
  • Posts: 559
Reply 2 on: Jul 24, 2018
Great answer, keep it coming :)

robbielu01

  • Member
  • Posts: 336
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

The five overlapping phases of the nursing process. Each phase depends on the accuracy of the other The five overlapping phases of the nursing process. Each phase depends on the accuracy of the other
Color mixtures of refracted light—additive process. Color mixtures of refracted light—additive process.
The process of learning to read involves physical and socioemotional development, changes in the ... The process of learning to read involves physical and socioemotional development, changes in the ...
The metric system specifies fasteners by diameter, length, and pitch. The metric system specifies fasteners by diameter, length, and pitch.
France has produced most of its energy from nuclear power since the oil crisis of the 1970s France has produced most of its energy from nuclear power since the oil crisis of the 1970s
In a metallurgical process the mineral pyrite, FeS2, is roasted in air: FeS2 + O2 Fe2O3 + ... In a metallurgical process the mineral pyrite, FeS2, is roasted in air: FeS2 + O2 Fe2O3 + ...
Video: Brain Lobes Animation

For a complete list of videos, visit our video library